Re: [neonixie-l] 1961 Heathkit Catalog

[Mac Doktor]

> On May 29, 2020, at 10:43 AM, Nicholas Stock  wrote:
> 
> Derek Lowe is bit of a ‘celebrity’ in medicinal chemistry circles...super 
> smart and a good writer...


I've been trying to re-find his articles for years. I couldn't remember the 
domain name or his tag line. Thanks to Paul for the link.


Terry Bowman, KA4HJH
"The Mac Doctor”

"Never install version point-zero of anything"

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Re: [neonixie-l] 1961 Heathkit Catalog

[Nicholas Stock]

Derek Lowe is bit of a ‘celebrity’ in medicinal chemistry circles...super smart 
and a good writer...

Sent from my iPhone

> On May 29, 2020, at 07:08, gregebert  wrote:
> 
> 
> Oh, that darn Sulfur is a mischievous element.sulfides, mercaptans, 
> thio-this, and thio-that.
> 
> My favorite is aluminum sulfide: It slowly decomposes in air to produce H2S, 
> the well-known rotten-egg stink.
> It looks like dirt. I put a few crumbs in a co-workers toolbox as a prank.
> 
> Every morning, he opened it up to a ghastly stink bomb, but throughout the 
> day it dissipated. Next morning it's stinky again. Now thinking he movie 
> "Groundhog Day".
> Finally after a week I confessed.
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Re: [neonixie-l] 1961 Heathkit Catalog

[gregebert]

Oh, that darn Sulfur is a mischievous element.sulfides, mercaptans, 
thio-this, and thio-that.

My favorite is aluminum sulfide: It slowly decomposes in air to produce 
H2S, the well-known rotten-egg stink.
It looks like dirt. I put a few crumbs in a co-workers toolbox as a prank.

Every morning, he opened it up to a ghastly stink bomb, but throughout the 
day it dissipated. Next morning it's stinky again. Now thinking he movie 
"Groundhog Day".
Finally after a week I confessed.

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Re: [neonixie-l] 1961 Heathkit Catalog

[Paul Andrews]

This guy is always a good read: 
https://blogs.sciencemag.org/pipeline/archives/2009/06/11/things_i_wont_work_with_thioacetone

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Re: [neonixie-l] 1961 Heathkit Catalog

[Nicholas Stock]

For those interested..

https://en.wikipedia.org/wiki/Tert-Butylthiol

Odo(u)r threshold is <0.33 parts per billion. 300 mL is probably enough for
an entire cities gas lines :) I used *a lot of bleach* to clean the
glass ware after that reaction.LOL.

On Thu, May 28, 2020 at 1:03 PM Mac Doktor  wrote:

> On May 27, 2020, at 10:56 PM, alb.001 alb.001 
> wrote:
>
> Talk about ammonia.   The thing I fear most when driving, especially on a
> highway is a tanker carrying anhydrous ammonia.  Several have crashed with
> resultant release of clear low-hanging clouds of ammonia gas.  If you drive
> thru one your lungs instinctively close and you suffocate while driving at
> speed.
>
> One night I was listening to the scanner and they started toning out every
> fire department and rescue squad for 30 miles around. The cooling system at
> a local poultry plant leaked and they have to evacuate over a hundred
> people. Eight had to be take to the hospital which used up three quarters
> of the ambulances in the area. The others were treating people on site.
> Fortunately there were no other major incidents for several hours and even
> then they had rescue squads from 30 minutes away filling quarters.
>
> I highly recommend the book *Hostile Waters*. It's about a Soviet nuclear
> missile sub that had a seawater leak into one of the missile tubes. There
> was a reaction with the solid rocket fuel that progressively filled the
> entire boat with nitric acid vapor. It's a harrowing story. You can't put
> the book down. It's on Amazon (buy a used copy):
>
> https://www.amazon.com/Hostile-Waters-Peter-Huchthausen/dp/0312169280
>
>
> They made a movie out of it. I haven't seen it but a friend told me it was
> crap compared to the book.
>
>
> On May 27, 2020, at 10:11 PM, Nicholas Stock  wrote:
>
>
> I distinctly remember the sweet smell of benzene (used as the solvent for
> the reaction).that certainly wouldn't happen today
>
>
> When I worked for a local printer the pressmen used copious amounts of
> something called "blanket wash". They poured the stuff onto lint-free rags
> and cleaned the printers with it. No gloves. I'm not sure but I think it
> was largely or entirely straight up benzene.
>
>
> As for smells, using 300 mL of tert-butyl mercaptan isn't for the feint of
> heart eitherwe had the fire-brigade called out a few times on that
> one...
>
>
> That's funny. I live next to a major highway and I occasionally get a
> whiff of something like that. Always seems to be after dark. I wonder what
> it could be?
>
> One of the guys on the Old Christmas Lights list told us that he used to
> chew the silvery tinsel they put on Xmas trees back in the Good Old Days.
> It was of course elemental lead. He said it had a very nice sweet taste.
>
> My freshman year in college we had a two hour lab once a week. I was
> appalled. No one knew how to pour from a reagent bottle or how to keep a
> scoop from being contaminated and the grad students running the lab didn't
> blink a lash. In High School our teacher spent three days on procedures and
> techniques like that.
>
>
> That summer chemistry class was a blast. I had nitric acid stains on my
> hands the rest of the year.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> “Reality is that which, when you stop believing in it, doesn't
> go away.”–Philip K. Dick, *I Hope I Shall Arrive Soon*
>
> --
> You received this message because you are subscribed to the Google Groups
> "neonixie-l" group.
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> https://groups.google.com/d/msgid/neonixie-l/B603C0C8-44EA-414C-9EDF-178B147332C6%40gmail.com
> 
> .
>

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Re: [neonixie-l] 1961 Heathkit Catalog

[Mac Doktor]

> On May 27, 2020, at 10:56 PM, alb.001 alb.001  wrote:
> Talk about ammonia.   The thing I fear most when driving, especially on a 
> highway is a tanker carrying anhydrous ammonia.  Several have crashed with 
> resultant release of clear low-hanging clouds of ammonia gas.  If you drive 
> thru one your lungs instinctively close and you suffocate while driving at 
> speed.
> 
One night I was listening to the scanner and they started toning out every fire 
department and rescue squad for 30 miles around. The cooling system at a local 
poultry plant leaked and they have to evacuate over a hundred people. Eight had 
to be take to the hospital which used up three quarters of the ambulances in 
the area. The others were treating people on site. Fortunately there were no 
other major incidents for several hours and even then they had rescue squads 
from 30 minutes away filling quarters.

I highly recommend the book Hostile Waters. It's about a Soviet nuclear missile 
sub that had a seawater leak into one of the missile tubes. There was a 
reaction with the solid rocket fuel that progressively filled the entire boat 
with nitric acid vapor. It's a harrowing story. You can't put the book down. 
It's on Amazon (buy a used copy):

https://www.amazon.com/Hostile-Waters-Peter-Huchthausen/dp/0312169280 



They made a movie out of it. I haven't seen it but a friend told me it was crap 
compared to the book.


> On May 27, 2020, at 10:11 PM, Nicholas Stock  wrote:
> 
> I distinctly remember the sweet smell of benzene (used as the solvent for the 
> reaction).that certainly wouldn't happen today

When I worked for a local printer the pressmen used copious amounts of 
something called "blanket wash". They poured the stuff onto lint-free rags and 
cleaned the printers with it. No gloves. I'm not sure but I think it was 
largely or entirely straight up benzene.


> As for smells, using 300 mL of tert-butyl mercaptan isn't for the feint of 
> heart eitherwe had the fire-brigade called out a few times on that one...

That's funny. I live next to a major highway and I occasionally get a whiff of 
something like that. Always seems to be after dark. I wonder what it could be?

One of the guys on the Old Christmas Lights list told us that he used to chew 
the silvery tinsel they put on Xmas trees back in the Good Old Days. It was of 
course elemental lead. He said it had a very nice sweet taste.

My freshman year in college we had a two hour lab once a week. I was appalled. 
No one knew how to pour from a reagent bottle or how to keep a scoop from being 
contaminated and the grad students running the lab didn't blink a lash. In High 
School our teacher spent three days on procedures and techniques like that. 


That summer chemistry class was a blast. I had nitric acid stains on my hands 
the rest of the year.


Terry Bowman, KA4HJH
"The Mac Doctor"

“Reality is that which, when you stop believing in it, doesn't go away.”–Philip 
K. Dick, I Hope I Shall Arrive Soon

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Re: [neonixie-l] 1961 Heathkit Catalog

[Robert G. Schaffrath]

My late father was a Professor of Chemistry and we often had "interesting" 
chemicals at home (Benzene, Diethyl Ether, Pentane, Carbon Tetrachloride 
(CCL), Butyl Acetate, Lab Alcohol, Toluene, Xylene and Sodium Hydroxide 
right off the top of my head). He also collected elements and I still have 
a 1lb bottle of mercury safely stored as well as a very nice Honeywell 
mercury switch from a furnace (a substantial blob of mercury and being in a 
sealed tube, the mercury is bright and shiny without any oxidation).

I do recall back in the early 1970's when OSHA came into existence and 
started promulgating rules, how perturbed my father was at all the changes 
the university had to make in the chemical storeroom. CCL and Benzene were 
classified as carcinogens and moved into a newly built store room for such 
chemicals as well as requiring new handling procedures (no more just using 
it out on an open lab table). Sadly, approximately 25 years later in 1997 
at age 75, he passed from bladder cancer most likely caused by exposure to 
the many organic chemicals like Benzene and CCL over the many decades. I 
recall reviewing my health history with my primary care physician and 
discussing parents health history with him. He recalled being in medical 
school and drawing lines on his skin with Benzene along with the other med 
students. Who knew?

Robert

On Thursday, May 28, 2020 at 11:20:15 AM UTC-4, Frank-KC2TKD wrote:
>
> You must have attended the same H.S. I did!  Your description fits 
> everything I remember except we had a face shield with no goggles only when 
> handling chemicals.  I wonder what happened to the barrel of waste that was 
> in the back of the room?  
>
>  
>
> Our teacher once put some mercury in a dish and we all used silver 
> quarters to show how the mercury would attract to the silver.  Then go and 
> spend the quarters in the lunch room.
>
>  
>
> Frank
>
>  
>

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RE: [neonixie-l] 1961 Heathkit Catalog

[Frank Palecek]

You must have attended the same H.S. I did!  Your description fits everything I 
remember except we had a face shield with no goggles only when handling 
chemicals.  I wonder what happened to the barrel of waste that was in the back 
of the room?  

 

Our teacher once put some mercury in a dish and we all used silver quarters to 
show how the mercury would attract to the silver.  Then go and spend the 
quarters in the lunch room.

 

Frank

 

From: neonixie-l@googlegroups.com  On Behalf Of 
alb.001 alb.001
Sent: Wednesday, May 27, 2020 11:00 PM
To: neonixie-l 
Subject: Re: [neonixie-l] 1961 Heathkit Catalog

 

I still have some GE silent mercury wall switches still in original packaging.  
I also have a plastic bottle with about 5 pounds of pure mercury which I used 
to play with.

Pharma Phil

-- Original Message -- 
From: martin martin mailto:mcvei...@gmail.com> > 
Date: May 27, 2020 at 8:06 PM 

I have a box of mercury tubes with contacts. They were removed from switches 
and those old hood lamps on car. 

They still are cool to look at 













~ 

 <mailto:mcvei...@gmail.com> mcvei...@gmail.com 

 

 

On Wed, May 27, 2020 at 5:00 PM Mac Doktor < themacdok...@gmail.com 
<mailto:themacdok...@gmail.com> > wrote: 

 

On May 27, 2020, at 11:53 AM, alb.001 alb.001 < alb@sympatico.ca 
<mailto:alb@sympatico.ca> > wrote: 

I was both lucky and stupid as I did not appreciate what the toxicity of 
mercury was. Doing stupid chemistry things stayed with me with many further 
adventures in university.

Forget elemental mercury vapor, ingesting the mercuric oxide would have been a 
lot more fun. 

 

In the late '70s our chem lab in High School was straight out of the '50s. Nice 
old-fashioned benches and sinks but no fume hoods or anything more 
sophisticated than a pair of plastic goggles. Anything we couldn't pour down 
the sink went into a large ceramic crock in the back corner of the room. I 
can't remember now if it had a lid or not. Some guy came twice year to empty 
it. 

 

In the summer before my senior year I took Chemistry II which consisted of 
eight weeks of solid lab work for four hours a day. One Monday we walked in and 
there was a haze filling the entire room. We opened all of the huge windows 
(10~12' ceilings, steam heat and no A/C) and stood out in the hall for an hour. 
It had no distinct odor to it so we never did figure out what it was or where 
it came from. 

 

One day the teacher asked me to help him refill the small hydrous ammonia 
reagent bottle we used in the classroom. I held a glass funnel while he poured 
what was probably less than half a liter into the bottle from a jar that must 
have been several liters. We held our breath as the liquid filled the reagent 
bottle. As soon as it was full I yanked out the funnel, put it in the sink as 
fast as I could without breaking it and jabbed the stopper in. At the same time 
the teacher set the other bottle on the bench and screwed the cap on as fast as 
possible. As soon as our hands were free we ran out of there like two bats out 
of hell and stood in the hall gasping for air while tears ran down our faces. 

 

Then there was the time we were making some HCL and I got a tiny whiff. Man, 
that was as close to feeling like I was going to die in my entire life. Those 
poor sods in WWI. I can actually imagine what it was like. 

 

 

Terry Bowman, KA4HJH 

"The Mac Doctor" 

https://www.astarcloseup.com/ 

"Every kid starts out as a natural-born scientist, and then we beat it out of 
them. A few trickle through the system with their wonder and enthusiasm for 
science intact."—Carl Sagan, Psychology Today, 1996 

 

 

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<https://groups.google.com/d/msgid/neonixie-l/3E96DAE6-7453-41B7-B83D-776CC1A2E7D2%40gmail.com?utm_medium=email_source=footer>
 . 

 

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<https://groups.google.com/d/msgid/neonixie-l/CAKYv7NTCUcfRHKjdvav9S5rHFVq2JtH66qpa_5Fk1Y%2BTSpP6Kg%40mail.gmail.com?utm_medium=email_source=footer>
 . 


 

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Re: [neonixie-l] 1961 Heathkit Catalog

[alb.001 alb.001]

 
  There is an auction from the province of British Columbia Canada of some old physics lab equipment which includes a Dana 3800A nixie multi-meter.  They don't ship so you would need to live nearby or have friend who can get it for you.
  Regards  Pharma Phil
  
   -- Original Message --
   From: "alb.001 alb.001" 
   Date: May 27, 2020 at 11:00 PM
   
   
   I still have some GE silent mercury wall switches still in original packaging.  I also have a plastic bottle with about 5 pounds of pure mercury which I used to play with.
   Pharma Phil
   
-- Original Message -- 
From: martin martin  
Date: May 27, 2020 at 8:06 PM 
 


 
  I have a box of mercury tubes with contacts. They were removed from switches and those old hood lamps on car.
 
 
  They still are cool to look at
 
 
  
   

 
  
   

 
  
   

   
   

   
   

   
   
~
   
   
mcvei...@gmail.com
   
  
 

   
  
 

   
  
 
 



 
  On Wed, May 27, 2020 at 5:00 PM Mac Doktor < 
  themacdok...@gmail.com> wrote: 
  
 
 
  
   
   

 
  On May 27, 2020, at 11:53 AM, alb.001 alb.001 < 
  alb@sympatico.ca> wrote:
 
 
  
   I was both lucky and stupid as I did not appreciate what the toxicity of mercury was. Doing stupid chemistry things stayed with me with many further adventures in university.
  
 
Forget elemental mercury vapor, ingesting the mercuric oxide would have been a lot more fun.
   
   

   
   
In the late '70s our chem lab in High School was straight out of the '50s. Nice old-fashioned benches and sinks but no fume hoods or anything more sophisticated than a pair of plastic goggles. Anything we couldn't pour down the sink went into a large ceramic crock in the back corner of the room. I can't remember now if it had a lid or not. Some guy came twice year to empty it.
   
   

   
   

 In the summer before my senior year I took Chemistry II which consisted of eight weeks of solid lab work for four hours a day. One Monday we walked in and there was a haze filling the entire room. We opened all of the huge windows (10~12' ceilings, steam heat and no A/C) and stood out in the hall for an hour. It had no distinct odor to it so we never did figure out what it was or where it came from.


 


 One day the teacher asked me to help him refill the small hydrous ammonia reagent bottle we used in the classroom. I held a glass funnel while he poured what was probably less than half a liter into the bottle from a jar that must have been several liters. We held our breath as the liquid filled the reagent bottle. As soon as it was full I yanked out the funnel, put it in the sink as fast as I could without breaking it and jabbed the stopper in. At the same time the teacher set the other bottle on the bench and screwed the cap on as fast as possible. As soon as our hands were free we ran out of there like two bats out of hell and stood in the hall gasping for air while tears ran down our faces.


 


 Then there was the time we were making some HCL and I got a tiny whiff. Man, that was as close to feeling like I was going to die in my entire life. Those poor sods in WWI. I can actually imagine what it was like.

   
   

   
   

   
   
Terry Bowman, KA4HJH
   
   

 "The Mac Doctor" 
  
  
 https://www.astarcloseup.com/ 
  
 "Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact."—Carl Sagan, 
 Psychology Today, 1996

   
   
  
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Re: [neonixie-l] 1961 Heathkit Catalog

[alb.001 alb.001]

 
  I still have some GE silent mercury wall switches still in original packaging.  I also have a plastic bottle with about 5 pounds of pure mercury which I used to play with.
  Pharma Phil
  
   -- Original Message --
   From: martin martin 
   Date: May 27, 2020 at 8:06 PM
   
   
   

 I have a box of mercury tubes with contacts. They were removed from switches and those old hood lamps on car.


 They still are cool to look at


 
  
   

 
  
   

 
  
   
  
  
   
  
  
   
  
  
   ~
  
  
   mcvei...@gmail.com
  
 

   
  
 

   
  
 


   
   
   

 On Wed, May 27, 2020 at 5:00 PM Mac Doktor <
 themacdok...@gmail.com> wrote:
 


 
  
  
   

 On May 27, 2020, at 11:53 AM, alb.001 alb.001 <
 alb@sympatico.ca> wrote:


 
  I was both lucky and stupid as I did not appreciate what the toxicity of mercury was. Doing stupid chemistry things stayed with me with many further adventures in university.
 

   Forget elemental mercury vapor, ingesting the mercuric oxide would have been a lot more fun.
  
  
   
  
  
   In the late '70s our chem lab in High School was straight out of the '50s. Nice old-fashioned benches and sinks but no fume hoods or anything more sophisticated than a pair of plastic goggles. Anything we couldn't pour down the sink went into a large ceramic crock in the back corner of the room. I can't remember now if it had a lid or not. Some guy came twice year to empty it.
  
  
   
  
  
   
In the summer before my senior year I took Chemistry II which consisted of eight weeks of solid lab work for four hours a day. One Monday we walked in and there was a haze filling the entire room. We opened all of the huge windows (10~12' ceilings, steam heat and no A/C) and stood out in the hall for an hour. It had no distinct odor to it so we never did figure out what it was or where it came from.
   
   

   
   
One day the teacher asked me to help him refill the small hydrous ammonia reagent bottle we used in the classroom. I held a glass funnel while he poured what was probably less than half a liter into the bottle from a jar that must have been several liters. We held our breath as the liquid filled the reagent bottle. As soon as it was full I yanked out the funnel, put it in the sink as fast as I could without breaking it and jabbed the stopper in. At the same time the teacher set the other bottle on the bench and screwed the cap on as fast as possible. As soon as our hands were free we ran out of there like two bats out of hell and stood in the hall gasping for air while tears ran down our faces.
   
   

   
   
Then there was the time we were making some HCL and I got a tiny whiff. Man, that was as close to feeling like I was going to die in my entire life. Those poor sods in WWI. I can actually imagine what it was like.
   
  
  
   
  
  
   
  
  
   Terry Bowman, KA4HJH
  
  
   
"The Mac Doctor"


https://www.astarcloseup.com/

"Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact."—Carl Sagan, 
Psychology Today, 1996
   
  
  
 
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Re: [neonixie-l] 1961 Heathkit Catalog

[alb.001 alb.001]

 
  Talk about ammonia.   The thing I fear most when driving, especially on a highway is a tanker carrying anhydrous ammonia.  Several have crashed with resultant release of clear low-hanging clouds of ammonia gas.  If you drive thru one your lungs instinctively close and you suffocate while driving at speed.
  Watch out !!   Pharma Phil
  
   -- Original Message --
   From: Mac Doktor 
   Date: May 27, 2020 at 8:00 PM
   
   
   
   

 
  On May 27, 2020, at 11:53 AM, alb.001 alb.001 <
  alb@sympatico.ca> wrote:
 
 
  
    I was both lucky and stupid as I did not appreciate what the toxicity of mercury was.  Doing stupid chemistry things stayed with me with many further adventures in university.
  
 
Forget elemental mercury vapor, ingesting the mercuric oxide would have been a lot more fun.
   
   

   
   
In the late '70s our chem lab in High School was straight out of the '50s. Nice old-fashioned benches and sinks but no fume hoods or anything more sophisticated than a pair of plastic goggles. Anything we couldn't pour down the sink went into a large ceramic crock in the back corner of the room. I can't remember now if it had a lid or not. Some guy came twice year to empty it.
   
   

   
   

 In the summer before my senior year I took Chemistry II which consisted of eight weeks of solid lab work for four hours a day. One Monday we walked in and there was a haze filling the entire room. We opened all of the huge windows (10~12' ceilings, steam heat and no A/C) and stood out in the hall for an hour. It had no distinct odor to it so we never did figure out what it was or where it came from.


 


 One day the teacher asked me to help him refill the small hydrous ammonia reagent bottle we used in the classroom. I held a glass funnel while he poured what was probably less than half a liter into the bottle from a jar that must have been several liters. We held our breath as the liquid filled the reagent bottle. As soon as it was full I yanked out the funnel, put it in the sink as fast as I could without breaking it and jabbed the stopper in. At the same time the teacher set the other bottle on the bench and screwed the cap on as fast as possible. As soon as our hands were free we ran out of there like two bats out of hell and stood in the hall gasping for air while tears ran down our faces.


 


 Then there was the time we were making some HCL and I got a tiny whiff. Man, that was as close to feeling like I was going to die in my entire life. Those poor sods in WWI. I can actually imagine what it was like.

   
   

   
   

   
   
Terry Bowman, KA4HJH
   
   

 "The Mac Doctor"
 
 
 https://www.astarcloseup.com/
 
 "Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact."—Carl Sagan, 
 Psychology Today, 1996

   
   
  
   
  
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Re: [neonixie-l] 1961 Heathkit Catalog

[Nicholas Stock]

Sounds like the good old days Terry! Chemistry is (alas) my fortenot
sure how I ended up being a medicinal chemist, but sometimes life leads you
in strange directions and places. Back when I started senior school (high
school for those in the US), we made aspirin in class..I distinctly
remember the sweet smell of benzene (used as the solvent for the
reaction).that certainly wouldn't happen todayMy 1st year graduate
tutor (Professor Charles Rees - https://en.wikipedia.org/wiki/Charles_Rees)
used to tell us they washed their hands in the stuff!! In my career I've
certainly used some nasty chemicals (HMPA, dimethylsulfate etc...)...I'm
usually leery of anything with a skull and crossbones on the bottle. As for
smells, using 300 mL of tert-butyl mercaptan isn't for the feint of heart
eitherwe had the fire-brigade called out a few times on that one...

On Wed, May 27, 2020 at 5:07 PM martin martin  wrote:

> I have a box of mercury tubes with contacts.  They were removed from
> switches and those old hood lamps on car.
> They still are cool to look at
>
>
>
> ~
> *mcvei...@gmail.com *
>
>
> On Wed, May 27, 2020 at 5:00 PM Mac Doktor  wrote:
>
>>
>> On May 27, 2020, at 11:53 AM, alb.001 alb.001 
>> wrote:
>>
>>  I was both lucky and stupid as I did not appreciate what the toxicity of
>> mercury was.  Doing stupid chemistry things stayed with me with many
>> further adventures in university.
>>
>> Forget elemental mercury vapor, ingesting the mercuric oxide would have
>> been a lot more fun.
>>
>> In the late '70s our chem lab in High School was straight out of the
>> '50s. Nice old-fashioned benches and sinks but no fume hoods or anything
>> more sophisticated than a pair of plastic goggles. Anything we couldn't
>> pour down the sink went into a large ceramic crock in the back corner of
>> the room. I can't remember now if it had a lid or not. Some guy came twice
>> year to empty it.
>>
>> In the summer before my senior year I took Chemistry II which consisted
>> of eight weeks of solid lab work for four hours a day. One Monday we walked
>> in and there was a haze filling the entire room. We opened all of the huge
>> windows (10~12' ceilings, steam heat and no A/C) and stood out in the hall
>> for an hour. It had no distinct odor to it so we never did figure out what
>> it was or where it came from.
>>
>> One day the teacher asked me to help him refill the small hydrous ammonia
>> reagent bottle we used in the classroom. I held a glass funnel while he
>> poured what was probably less than half a liter into the bottle from a jar
>> that must have been several liters. We held our breath as the liquid filled
>> the reagent bottle. As soon as it was full I yanked out the funnel, put it
>> in the sink as fast as I could without breaking it and jabbed the stopper
>> in. At the same time the teacher set the other bottle on the bench and
>> screwed the cap on as fast as possible. As soon as our hands were free we
>> ran out of there like two bats out of hell and stood in the hall gasping
>> for air while tears ran down our faces.
>>
>> Then there was the time we were making some HCL and I got a tiny whiff.
>> Man, that was as close to feeling like I was going to die in my entire
>> life. Those poor sods in WWI. I can actually imagine what it was like.
>>
>>
>> Terry Bowman, KA4HJH
>> "The Mac Doctor"
>>
>> https://www.astarcloseup.com/
>>
>> "Every kid starts out as a natural-born scientist, and then we beat it
>> out of them. A few trickle through the system with their wonder and
>> enthusiasm for science intact."—Carl Sagan, *Psychology Today*, 1996
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "neonixie-l" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to neonixie-l+unsubscr...@googlegroups.com.
>> To view this discussion on the web, visit
>> https://groups.google.com/d/msgid/neonixie-l/3E96DAE6-7453-41B7-B83D-776CC1A2E7D2%40gmail.com
>> 
>> .
>>
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Re: [neonixie-l] 1961 Heathkit Catalog

[martin martin]

I have a box of mercury tubes with contacts.  They were removed from
switches and those old hood lamps on car.
They still are cool to look at



~
*mcvei...@gmail.com *


On Wed, May 27, 2020 at 5:00 PM Mac Doktor  wrote:

>
> On May 27, 2020, at 11:53 AM, alb.001 alb.001 
> wrote:
>
>  I was both lucky and stupid as I did not appreciate what the toxicity of
> mercury was.  Doing stupid chemistry things stayed with me with many
> further adventures in university.
>
> Forget elemental mercury vapor, ingesting the mercuric oxide would have
> been a lot more fun.
>
> In the late '70s our chem lab in High School was straight out of the '50s.
> Nice old-fashioned benches and sinks but no fume hoods or anything more
> sophisticated than a pair of plastic goggles. Anything we couldn't pour
> down the sink went into a large ceramic crock in the back corner of the
> room. I can't remember now if it had a lid or not. Some guy came twice year
> to empty it.
>
> In the summer before my senior year I took Chemistry II which consisted of
> eight weeks of solid lab work for four hours a day. One Monday we walked in
> and there was a haze filling the entire room. We opened all of the huge
> windows (10~12' ceilings, steam heat and no A/C) and stood out in the hall
> for an hour. It had no distinct odor to it so we never did figure out what
> it was or where it came from.
>
> One day the teacher asked me to help him refill the small hydrous ammonia
> reagent bottle we used in the classroom. I held a glass funnel while he
> poured what was probably less than half a liter into the bottle from a jar
> that must have been several liters. We held our breath as the liquid filled
> the reagent bottle. As soon as it was full I yanked out the funnel, put it
> in the sink as fast as I could without breaking it and jabbed the stopper
> in. At the same time the teacher set the other bottle on the bench and
> screwed the cap on as fast as possible. As soon as our hands were free we
> ran out of there like two bats out of hell and stood in the hall gasping
> for air while tears ran down our faces.
>
> Then there was the time we were making some HCL and I got a tiny whiff.
> Man, that was as close to feeling like I was going to die in my entire
> life. Those poor sods in WWI. I can actually imagine what it was like.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> https://www.astarcloseup.com/
>
> "Every kid starts out as a natural-born scientist, and then we beat it out
> of them. A few trickle through the system with their wonder and enthusiasm
> for science intact."—Carl Sagan, *Psychology Today*, 1996
>
> --
> You received this message because you are subscribed to the Google Groups
> "neonixie-l" group.
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> 
> .
>

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Re: [neonixie-l] 1961 Heathkit Catalog

[Mac Doktor]

> On May 27, 2020, at 11:53 AM, alb.001 alb.001  wrote:
>  I was both lucky and stupid as I did not appreciate what the toxicity of 
> mercury was.  Doing stupid chemistry things stayed with me with many further 
> adventures in university.
> 
Forget elemental mercury vapor, ingesting the mercuric oxide would have been a 
lot more fun.

In the late '70s our chem lab in High School was straight out of the '50s. Nice 
old-fashioned benches and sinks but no fume hoods or anything more 
sophisticated than a pair of plastic goggles. Anything we couldn't pour down 
the sink went into a large ceramic crock in the back corner of the room. I 
can't remember now if it had a lid or not. Some guy came twice year to empty it.

In the summer before my senior year I took Chemistry II which consisted of 
eight weeks of solid lab work for four hours a day. One Monday we walked in and 
there was a haze filling the entire room. We opened all of the huge windows 
(10~12' ceilings, steam heat and no A/C) and stood out in the hall for an hour. 
It had no distinct odor to it so we never did figure out what it was or where 
it came from.

One day the teacher asked me to help him refill the small hydrous ammonia 
reagent bottle we used in the classroom. I held a glass funnel while he poured 
what was probably less than half a liter into the bottle from a jar that must 
have been several liters. We held our breath as the liquid filled the reagent 
bottle. As soon as it was full I yanked out the funnel, put it in the sink as 
fast as I could without breaking it and jabbed the stopper in. At the same time 
the teacher set the other bottle on the bench and screwed the cap on as fast as 
possible. As soon as our hands were free we ran out of there like two bats out 
of hell and stood in the hall gasping for air while tears ran down our faces.

Then there was the time we were making some HCL and I got a tiny whiff. Man, 
that was as close to feeling like I was going to die in my entire life. Those 
poor sods in WWI. I can actually imagine what it was like.


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com/

"Every kid starts out as a natural-born scientist, and then we beat it out of 
them. A few trickle through the system with their wonder and enthusiasm for 
science intact."—Carl Sagan, Psychology Today, 1996

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Re: [neonixie-l] 1961 Heathkit Catalog

[Nicholas Stock]

Elemental mercury gets a bit of a bad rap...it really isn't as deadly as
people make outminimal acute exposure will not do much harm (did
amalgam fillings really impair the life expectancy of most that had them?).
Chronic exposure to the vapor will cause issues however. Mercury salts and
organo-mercury compounds are the ones to be concerned about ingesting or
even touching, but even then the hullabaloo about eating too much Tuna is a
bit over-blown (IMHO)how many nursing Japanese women don't eat sushi?
LOL. I know of one particularly nasty case of mercury poisoning however...

https://en.wikipedia.org/wiki/Karen_Wetterhahn

...not a nice way to goand the exposure was very minimalbeware
dialkyl mercury!


On Wed, May 27, 2020 at 11:35 AM gregebert  wrote:

> I still have a small vial of mercury I removed from light switches almost
> 50 years ago.
>
> There is a "pellet" with metal on both sides, separated by a glass or
> ceramic bead. When the switch is tilted up, the mercury makes electrical
> contact to both metal sides and a hole inside the ceramic bead. I was 10
> years old at the time, and we were very nervous about breaking the bead
> because some mercury compounds are explosive (mercury fulminate). After
> debating a few days, we cracked it open and course we were enthralled with
> the mystery liquid, but we knew it was toxic and never touched or heated it.
>
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> .
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Re: [neonixie-l] 1961 Heathkit Catalog

[gregebert]

I still have a small vial of mercury I removed from light switches almost 
50 years ago. 

There is a "pellet" with metal on both sides, separated by a glass or 
ceramic bead. When the switch is tilted up, the mercury makes electrical 
contact to both metal sides and a hole inside the ceramic bead. I was 10 
years old at the time, and we were very nervous about breaking the bead 
because some mercury compounds are explosive (mercury fulminate). After 
debating a few days, we cracked it open and course we were enthralled with 
the mystery liquid, but we knew it was toxic and never touched or heated it.

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Re: [neonixie-l] 1961 Heathkit Catalog

[alb.001 alb.001]

 
  The high school I went to in the 1960's was refurbishing the chemistry lab and they simply discarded all the bottles of chemicals into waste bins in what was the playground behind the school.  I looked thru the bins and took many jars of chemicals home including red mercuric oxide. When I got home, I put the mercury compound in one of my mother's frying pans and put it on the stove and heated it up.  The compound decomposed to produce liquid mercury with some vaporizing.  I took it off the stove to let it cool.  I am sure I must have inhaled some mercury but never became symptomatic of any poisoning - I was both lucky and stupid as I did not appreciate what the toxicity of mercury was.  Doing stupid chemistry things stayed with me with many further adventures in university.
  Pharma Phil
  
  
   -- Original Message --
   From: "'jf...@my-deja.com' via neonixie-l" 
   Date: May 27, 2020 at 9:50 AM
   
   
   
We kept ours in an Erlenmeyer flask, and I could never get my hand past the bottleneck.

On Wednesday, May 27, 2020 at 1:06:26 AM UTC-7, Terry Kennedy wrote:

 
  
   
  
  
   I grew up in a time where in elementary school you got to dip your hand up to the wrist in a bottle of mercury,
   
  
 

   
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Re: [neonixie-l] 1961 Heathkit Catalog

['jf...@my-deja.com' via neonixie-l]

That is a lot of mercury.  I don't think we kept more than a pound.  Also, 
I don' tknow how you get the Hg completely out of the pan, since ISTR that 
we would use the Hg to shine up nickels and pennies.

On Wednesday, May 27, 2020 at 7:46:33 AM UTC-7, Ira wrote:
>
> Get a pan off of the stove that you use to cook in every day, pour it in 
> there, THEN stick your hand in it. After playing with it, pour it back into 
> the flask, and put the pan back on the stove. Problem solved!!!Ira.
>
>
>

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Re: [neonixie-l] 1961 Heathkit Catalog

[Instrument Resources of America]

Get a pan off of the stove that you use to cook in every day, pour it in 
there, THEN stick your hand in it. After playing with it, pour it back 
into the flask, and put the pan back on the stove. Problem solved!!!    Ira.



On 5/27/2020 6:50 AM, 'jf...@my-deja.com' via neonixie-l wrote:
We kept ours in an Erlenmeyer flask, and I could never get my hand 
past the bottleneck.


On Wednesday, May 27, 2020 at 1:06:26 AM UTC-7, Terry Kennedy wrote:


I grew up in a time where in elementary school you got to dip your
hand up to the wrist in a bottle of mercury,

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.


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<>

Re: [neonixie-l] 1961 Heathkit Catalog

['jf...@my-deja.com' via neonixie-l]

We kept ours in an Erlenmeyer flask, and I could never get my hand past the 
bottleneck.

On Wednesday, May 27, 2020 at 1:06:26 AM UTC-7, Terry Kennedy wrote:
>
>
> I grew up in a time where in elementary school you got to dip your hand up 
> to the wrist in a bottle of mercury,
>

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Re: [neonixie-l] 1961 Heathkit Catalog

[Terry Kennedy]

On Wednesday, May 27, 2020 at 4:06:26 AM UTC-4, Terry Kennedy wrote:
>
> After all that, I'm not worried about leaded solder. And since people 
> opening and eating products assembled with lead solder seems unlikely, many 
> ROHS
>

[Hit Post too soon by accident] 

.. many ROHS goals could be accomplished by making products longer-lived, 
easier to repair, and enforcing safety regulations at recycling centers.

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Re: [neonixie-l] 1961 Heathkit Catalog

[Terry Kennedy]

On Wednesday, May 27, 2020 at 4:06:26 AM UTC-4, Terry Kennedy wrote:

> After all that, I'm not worried about leaded solder. And since people 
> opening and eating products assembled with lead solder seems unlikely, many 
> ROHS
>

[H 

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Re: [neonixie-l] 1961 Heathkit Catalog

[Terry Kennedy]

On Saturday, May 2, 2020 at 6:24:48 PM UTC-4, jf...@my-deja.com wrote:
>
> It was meant as a joke.  I still use SnPb eutectic solder, and I think my 
> ~1 kg is a lifetime supply  I think I can blame this for my dumbness, since 
> I used to hold the solder in my teeth during construction and repair.
>

I grew up in a time where in elementary school you got to dip your hand up 
to the wrist in a bottle of mercury, vaporize iodine into a 
room-filling purple cloud, and play with large chunks of the alkali metals. 
I once was responsible for inventorying a bulk donation from an 
industrial laboratory (let's leave them anonymous) to the college I was 
working at. On opening a metal crate, I had the distinctly unpleasant 
sensation of ozone forming in my mouth. I shut the box and took off - they 
had shipped us a Cobalt-60 source in error. More recently, I've ordered and 
received various electronic components from a seller in the Ukraine. An 
Elektronika clock was among the items and as you may know, I refurbish 
these with all new tubes, etc.This clock was absolutely filthy inside with 
the most bitter dust you could imagine. Not that I was tasting it on 
purpose, but I didn't realize I needed a full respirator. I asked the 
seller where these items came from and he replied "a disused industrial 
premise approx. 150km NNW of Kiev". AKA Chernobyl. this does not reassure 
me about radiologic inspection of items coming into the US, though to be 
honest I'm sure the actual radioactivity was low.

After all that, I'm not worried about leaded solder. And since people 
opening and eating products assembled with lead solder seems unlikely, many 
ROHS

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Re: [neonixie-l] 1961 Heathkit Catalog

[Mac Doktor]

> On May 6, 2020, at 12:21 PM, John Snow  wrote:
> 
> I take it you you a flux pen or something to add additional solder? That must 
> have dried up by now


I've got two half spools of Ersin Multicore from around 1985 and they still 
have plenty of flux. I purchased my Weller WTCP-N around the same time and I've 
replaced the tip once.

I also have brand new spool of Kester 44 but it's only been twenty years since 
I bought it. I guess I'll start using it when I use the other two up.


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com/

“The book said something astonishing, a very big thought.
It said that the stars were suns, only very far away.
The Sun was a star, but close up.”—Carl Sagan, Cosmos, 1980


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Re: [neonixie-l] 1961 Heathkit Catalog

[John Snow]

I take it you you a flux pen or something to add additional solder? That 
must have dried up by now

On Sunday, 3 May 2020 16:25:29 UTC+1, martin martin wrote:
>
> I use a 40 year old spool of Kester 44. 0.31 dia, flux core 58
>
>
>
> ~
> *mcve...@gmail.com *
>
>
> On Sun, May 3, 2020 at 7:54 AM alb.001 alb.001  > wrote:
>
>> good for you fixing a vintage microwave.   Mine is also an oldie - an 
>> engagement gift pre 1986.  All of a sudden the timer countdown works but no 
>> microwaves being generated.   I asked a friend who told me to check all the 
>> micro-switches and sure enough they were all heavily pitted from arcing. I 
>> replaced them all and used silver solder to fix them.   Still works 
>> great.   Knowing soldering saved my old stuff many a time. 
>>
>> Pharma Phil  
>>
>> -- Original Message -- 
>> From: Instrument Resources of America > 
>>
>> Date: May 3, 2020 at 2:31 AM 
>>
>> I had to repair my 45 plus year old Sharp kitchen microwave oven just 
>> last week. A relay's coil terminal, solder joint on the PCB was completely 
>> cracked all the way around the pin. Re-soldered it and works just like new. 
>> I chalked it up to the constant vibration of the door being shut. Ira.
>>
>> On 5/2/2020 3:24 PM, ' jf...@my-deja.com ' via neonixie-l 
>> wrote: 
>>
>> It was meant as a joke. I still use SnPb eutectic solder, and I think my 
>> ~1 kg is a lifetime supply I think I can blame this for my dumbness, since 
>> I used to hold the solder in my teeth during construction and repair. 
>>
>> I have this religious belief, scientifically not proven, that Pb-free 
>> solder made some of the surface-mount boards in my car less reliable. There 
>> were some medium-power current-limiting resistors where one of the solder 
>> joints eventually cracked ad left an open circuit. I blame this on the ROHS 
>> solder being more brittle and the thermal cycling eventually fatiguing and 
>> cracking the solder after 5-10 years. 
>>
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>>  
>> .
>>  
>>
>>
>>
>>
>>  
>>
>>  
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Re: [neonixie-l] 1961 Heathkit Catalog

[martin martin]

I use a 40 year old spool of Kester 44. 0.31 dia, flux core 58



~
*mcvei...@gmail.com *


On Sun, May 3, 2020 at 7:54 AM alb.001 alb.001  wrote:

> good for you fixing a vintage microwave.   Mine is also an oldie - an
> engagement gift pre 1986.  All of a sudden the timer countdown works but no
> microwaves being generated.   I asked a friend who told me to check all the
> micro-switches and sure enough they were all heavily pitted from arcing. I
> replaced them all and used silver solder to fix them.   Still works
> great.   Knowing soldering saved my old stuff many a time.
>
> Pharma Phil
>
> -- Original Message --
> From: Instrument Resources of America 
> Date: May 3, 2020 at 2:31 AM
>
> I had to repair my 45 plus year old Sharp kitchen microwave oven just last
> week. A relay's coil terminal, solder joint on the PCB was completely
> cracked all the way around the pin. Re-soldered it and works just like new.
> I chalked it up to the constant vibration of the door being shut. Ira.
>
> On 5/2/2020 3:24 PM, ' jf...@my-deja.com' via neonixie-l wrote:
>
> It was meant as a joke. I still use SnPb eutectic solder, and I think my
> ~1 kg is a lifetime supply I think I can blame this for my dumbness, since
> I used to hold the solder in my teeth during construction and repair.
>
> I have this religious belief, scientifically not proven, that Pb-free
> solder made some of the surface-mount boards in my car less reliable. There
> were some medium-power current-limiting resistors where one of the solder
> joints eventually cracked ad left an open circuit. I blame this on the ROHS
> solder being more brittle and the thermal cycling eventually fatiguing and
> cracking the solder after 5-10 years.
>
> --
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>
>
>
>
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>
>
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Re: [neonixie-l] 1961 Heathkit Catalog

[alb.001 alb.001]

 
  good for you fixing a vintage microwave.   Mine is also an oldie - an engagement gift pre 1986.  All of a sudden the timer countdown works but no microwaves being generated.   I asked a friend who told me to check all the micro-switches and sure enough they were all heavily pitted from arcing. I replaced them all and used silver solder to fix them.   Still works great.   Knowing soldering saved my old stuff many a time. 
  Pharma Phil  
  
   -- Original Message --
   From: Instrument Resources of America 
   Date: May 3, 2020 at 2:31 AM
   
   
   I had to repair my 45 plus year old Sharp kitchen microwave oven just last week. A relay's coil terminal, solder joint on the PCB was completely cracked all the way around the pin. Re-soldered it and works just like new. I chalked it up to the constant vibration of the door being shut. Ira.
   
   
On 5/2/2020 3:24 PM, '
jf...@my-deja.com' via neonixie-l wrote:

   
   

 
  It was meant as a joke. I still use SnPb eutectic solder, and I think my ~1 kg is a lifetime supply I think I can blame this for my dumbness, since I used to hold the solder in my teeth during construction and repair.
 
 
  
 
 
  I have this religious belief, scientifically not proven, that Pb-free solder made some of the surface-mount boards in my car less reliable. There were some medium-power current-limiting resistors where one of the solder joints eventually cracked ad left an open circuit. I blame this on the ROHS solder being more brittle and the thermal cycling eventually fatiguing and cracking the solder after 5-10 years.
  
 
 
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Re: [neonixie-l] 1961 Heathkit Catalog

[Instrument Resources of America]

I had to repair my 45 plus year old Sharp kitchen microwave oven just 
last week. A relay's coil terminal, solder joint on the PCB was 
completely cracked all the way around the pin. Re-soldered it and works 
just like new. I chalked it up to the constant vibration of the door 
being shut.   Ira.



On 5/2/2020 3:24 PM, 'jf...@my-deja.com' via neonixie-l wrote:
It was meant as a joke.  I still use SnPb eutectic solder, and I think 
my ~1 kg is a lifetime supply  I think I can blame this for my 
dumbness, since I used to hold the solder in my teeth during 
construction and repair.


I have this religious belief, scientifically not proven, that Pb-free 
solder made some of the surface-mount boards in my car less reliable.  
There were some medium-power current-limiting resistors where one of 
the solder joints eventually cracked ad left an open circuit.  I blame 
this on the ROHS solder being more brittle and the thermal cycling 
eventually fatiguing and cracking the solder after 5-10 years.


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<>

Re: [neonixie-l] 1961 Heathkit Catalog

['jf...@my-deja.com' via neonixie-l]

It was meant as a joke.  I still use SnPb eutectic solder, and I think my 
~1 kg is a lifetime supply  I think I can blame this for my dumbness, since 
I used to hold the solder in my teeth during construction and repair.

I have this religious belief, scientifically not proven, that Pb-free 
solder made some of the surface-mount boards in my car less reliable.  
There were some medium-power current-limiting resistors where one of the 
solder joints eventually cracked ad left an open circuit.  I blame this on 
the ROHS solder being more brittle and the thermal cycling eventually 
fatiguing and cracking the solder after 5-10 years.

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Re: [neonixie-l] 1961 Heathkit Catalog

[John DeArmond]

NO he doesn't, at least in the USA.  I have a friend who owns a 
vertically integrated box- building company.  If one wants to use their 
full set of services, one can supply a diagram drawn on a yellow pad.  
Their engineers will design the schematic, make the boards, stuff and 
solder them, install the boards in the selected enclosure, test the 
product and repair any problem, package the product for shipment and 
turn it over to the carrier of choice for shipment.


We use them for our Roy and Annie induction heaters, starting at the 
handing them the schematic file, the layout file and the Gerber files 
plus the test criteria.  I designed the devices and did the board 
layout.  They periodically and randomly ship me a unit from the end of 
the assembly so I can test it myself to make sure that they're 
maintaining my level of quality.


If I do a firmware revision, I email them the new board layout and and a 
pdf that contains the new nameplate.  I made provisions for in-circuit 
programming so they handle that.  They etch the new nameplate.  For 
finished units that have not been shipped, they unpack those units and 
make the changes.  All this for an extremely affordable price.  All of 
this is leading up to...


On our first visit, I asked about ROHS.  He scowled and set us down in 
his office for about an hour lecture on ROHS.  He started off by calling 
ROHS the spawn of the Devil and showed us some some ROHS boards hanging 
on a wall that had tin whiskers at least 2" long.


He said that NASA was one of his largest customers and that they'd 
reject work with PPM levels of tin in the solder. They send in an 
inspector every month or so to test the bath and solder paste. So will 
the military.  Automakers will reject any ROHS in critical, must-work 
systems such as the air bomb detonator board and the powertrain 
computers, among other thing.


He told us that if we chose ROHS, the price of that part of the job will 
double.  That's because it requires different flux and solder 
(obviously), a different flux placement nozzle head because ROHS flux is 
more viscous, the ROHS alloy is more viscous than regular, requiring a 
more powerful pump for sending the solder over the wave-forming wedge 
and about once a month, they have to shut down and go over the wave 
soldering machine with heat guns to melt away the whiskers that had 
formed all over the machine.  He said that they had learned that the 
hard way when a whisker grew up into a sensor housing and shorted the 
sensor.


Between the building is a trough containing weak detergent solution and 
a scrubber-type door mat, followed by a flowing rinse bath, followed by 
a drying mat.  This tells me that if they have to take such 
extraordinary separation and decontamination measures, ROHS is not for 
the individual tinkerer.


We made the decision on the spot.  Conventional solder.  No EU sales.  
The EU has made some of the most stupid rules dealing with electronics 
and this is probably the worst.


We once sold 200 units to a guy in Germany.  I am fully confident that 
he attached "ROHS" and CE stickers and sold them into the EU market.  I 
decided that too much liability (the old "you knew or should have known" 
bit) might reflect back on use so I stopped that program after the first 
shipment.


I know that there will be someone pop up to say how successful they've 
been at hand ROHS soldering.  Good for them.  I consulted several 
experts, including flux and paste manufacturers.  I did not have the 
time to test an infinite matrix of solder and fluxes.


My partner's wanting to continue to sell wholesale to Europe was a major 
ingredient in our friendly breakup.  He is still operating, 
manufacturing the Annie, a specialty heater that anneals the mouth of a 
piece of brass before further processing the brass into ammunition.  
fluxeon.com if you want to see.  I'm over 65 so when this Coronavirus 
hit, I retired.


John

On 5/1/20 9:20 AM, 'jf...@my-deja.com' via neonixie-l wrote:

With modern ROHS requirements, you will need to build it with lead-free
solder.

On Friday, May 1, 2020 at 5:27:11 AM UTC-7, Bill van Dijk wrote:

Michail, I have an unbuilt Heathkit 5MHz model IO-4105 scope kit, in
original box. Picked it up at a flea market a couple of years ago!

  


Bill

  


*From:* neoni...@googlegroups.com  [mailto:
neoni...@googlegroups.com ] *On Behalf Of *Michail Wilson
*Sent:* Friday, May 01, 2020 12:07 AM
*To:* neoni...@googlegroups.com 
*Subject:* RE: [neonixie-l] 1961 Heathkit Catalog

  


Count me in.

  


I’d like to group buy for a price break.

  


I’m thinking the garage door opener on page 23.

Sorry, no need for the extra remote for $25.  No one is rich enough to
have a second car, but a nice option for those super rich.

  


Ok,,…ok… On a serious note.

I’ll take the scope on page 94.  I hear in about 40 years, you can convert
to a clock.

  


Michail Wilson

206-920-6312

  


*From:* 

Re: [neonixie-l] 1961 Heathkit Catalog

[Nick]

Damn cheek!!!

https://shop.heathkit.com/shop/product/display-upgrade-for-heathkit-aj-1510-aj-1510a-fm-stereo-tuner-aja-1510-1-7

Upgrade indeed! The first digit is a DR2120, the rest are DR2100s. Still 
around...

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Re: [neonixie-l] 1961 Heathkit Catalog

[martin martin]

I was sucked in and built the "new" Heathkit digital clock
https://shop.heathkit.com/shop/category/products-clocks-time-34

It's okay, but the battery backup looses 1 min per hour and it takes 6 AA
cells.



~
*mcvei...@gmail.com *


On Fri, May 1, 2020 at 6:20 AM 'jf...@my-deja.com' via neonixie-l <
neonixie-l@googlegroups.com> wrote:

> With modern ROHS requirements, you will need to build it with lead-free
> solder.
>
> On Friday, May 1, 2020 at 5:27:11 AM UTC-7, Bill van Dijk wrote:
>>
>> Michail, I have an unbuilt Heathkit 5MHz model IO-4105 scope kit, in
>> original box. Picked it up at a flea market a couple of years ago!
>>
>>
>>
>> Bill
>>
>>
>>
>> *From:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *On
>> Behalf Of *Michail Wilson
>> *Sent:* Friday, May 01, 2020 12:07 AM
>> *To:* neoni...@googlegroups.com
>> *Subject:* RE: [neonixie-l] 1961 Heathkit Catalog
>>
>>
>>
>> Count me in.
>>
>>
>>
>> I’d like to group buy for a price break.
>>
>>
>>
>> I’m thinking the garage door opener on page 23.
>>
>> Sorry, no need for the extra remote for $25.  No one is rich enough to
>> have a second car, but a nice option for those super rich.
>>
>>
>>
>> Ok,,…ok… On a serious note.
>>
>> I’ll take the scope on page 94.  I hear in about 40 years, you can
>> convert to a clock.
>>
>>
>>
>> Michail Wilson
>>
>> 206-920-6312
>>
>>
>>
>> *From:* neoni...@googlegroups.com  *On Behalf
>> Of *martin martin
>> *Sent:* Thursday, April 30, 2020 8:42 PM
>> *To:* neonixie-l 
>> *Subject:* [neonixie-l] 1961 Heathkit Catalog
>>
>>
>>
>> Since we all seem to have time on our hands...
>>
>> Let's order some Heathkits!
>>
>>
>>
>> Time to go on the "Way Back Machine" and make your orders!
>>
>>
>>
>>
>> https://www.americanradiohistory.com/Archive-Catalogs/Allied-Catalogs/Heathkit_1961_Fall_Winter.pdf
>>
>>
>>
>>
>>
>> --
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>> .
>>
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Re: [neonixie-l] 1961 Heathkit Catalog

['jf...@my-deja.com' via neonixie-l]

With modern ROHS requirements, you will need to build it with lead-free 
solder.

On Friday, May 1, 2020 at 5:27:11 AM UTC-7, Bill van Dijk wrote:
>
> Michail, I have an unbuilt Heathkit 5MHz model IO-4105 scope kit, in 
> original box. Picked it up at a flea market a couple of years ago!
>
>  
>
> Bill
>
>  
>
> *From:* neoni...@googlegroups.com  [mailto:
> neoni...@googlegroups.com ] *On Behalf Of *Michail Wilson
> *Sent:* Friday, May 01, 2020 12:07 AM
> *To:* neoni...@googlegroups.com 
> *Subject:* RE: [neonixie-l] 1961 Heathkit Catalog
>
>  
>
> Count me in.
>
>  
>
> I’d like to group buy for a price break.
>
>  
>
> I’m thinking the garage door opener on page 23.
>
> Sorry, no need for the extra remote for $25.  No one is rich enough to 
> have a second car, but a nice option for those super rich.
>
>  
>
> Ok,,…ok… On a serious note.
>
> I’ll take the scope on page 94.  I hear in about 40 years, you can convert 
> to a clock.
>
>  
>
> Michail Wilson
>
> 206-920-6312
>
>  
>
> *From:* neoni...@googlegroups.com   > *On Behalf Of *martin martin
> *Sent:* Thursday, April 30, 2020 8:42 PM
> *To:* neonixie-l >
> *Subject:* [neonixie-l] 1961 Heathkit Catalog
>
>  
>
> Since we all seem to have time on our hands... 
>
> Let's order some Heathkits!
>
>  
>
> Time to go on the "Way Back Machine" and make your orders!
>
>  
>
>
> https://www.americanradiohistory.com/Archive-Catalogs/Allied-Catalogs/Heathkit_1961_Fall_Winter.pdf
>
>  
>
>  
>
> -- 
> You received this message because you are subscribed to the Google Groups 
> "neonixie-l" group.
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> email to neoni...@googlegroups.com .
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>  
> <https://groups.google.com/d/msgid/neonixie-l/4300122e-515c-418a-9cb4-7d17102fe9c7%40googlegroups.com?utm_medium=email_source=footer>
> .
>
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>  
> <https://groups.google.com/d/msgid/neonixie-l/MW2PR0102MB343545CF70DA59FCA018039F82AB0%40MW2PR0102MB3435.prod.exchangelabs.com?utm_medium=email_source=footer>
> .
>

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RE: [neonixie-l] 1961 Heathkit Catalog

[Bill van Dijk]

Michail, I have an unbuilt Heathkit 5MHz model IO-4105 scope kit, in original 
box. Picked it up at a flea market a couple of years ago!

 

Bill

 

From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On 
Behalf Of Michail Wilson
Sent: Friday, May 01, 2020 12:07 AM
To: neonixie-l@googlegroups.com
Subject: RE: [neonixie-l] 1961 Heathkit Catalog

 

Count me in.

 

I’d like to group buy for a price break.

 

I’m thinking the garage door opener on page 23.

Sorry, no need for the extra remote for $25.  No one is rich enough to have a 
second car, but a nice option for those super rich.

 

Ok,,…ok… On a serious note.

I’ll take the scope on page 94.  I hear in about 40 years, you can convert to a 
clock.

 

Michail Wilson

206-920-6312

 

From: neonixie-l@googlegroups.com <mailto:neonixie-l@googlegroups.com>  
mailto:neonixie-l@googlegroups.com> > On Behalf 
Of martin martin
Sent: Thursday, April 30, 2020 8:42 PM
To: neonixie-l mailto:neonixie-l@googlegroups.com> >
Subject: [neonixie-l] 1961 Heathkit Catalog

 

Since we all seem to have time on our hands... 

Let's order some Heathkits!

 

Time to go on the "Way Back Machine" and make your orders!

 

https://www.americanradiohistory.com/Archive-Catalogs/Allied-Catalogs/Heathkit_1961_Fall_Winter.pdf

 

 

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Re: [neonixie-l] 1961 Heathkit Catalog

[Nicholas Stock]

You know they relaunched recently? Limited offerings so far though...

https://shop.heathkit.com/shop

Sent from my iPhone

> On Apr 30, 2020, at 21:06, Michail Wilson  wrote:
> 
> 
> Count me in.
>  
> I’d like to group buy for a price break.
>  
> I’m thinking the garage door opener on page 23.
> Sorry, no need for the extra remote for $25.  No one is rich enough to have a 
> second car, but a nice option for those super rich.
>  
> Ok,,…ok… On a serious note.
> I’ll take the scope on page 94.  I hear in about 40 years, you can convert to 
> a clock.
>  
> Michail Wilson
> 206-920-6312
>  
> From: neonixie-l@googlegroups.com  On Behalf Of 
> martin martin
> Sent: Thursday, April 30, 2020 8:42 PM
> To: neonixie-l 
> Subject: [neonixie-l] 1961 Heathkit Catalog
>  
> Since we all seem to have time on our hands... 
> Let's order some Heathkits!
>  
> Time to go on the "Way Back Machine" and make your orders!
>  
> https://www.americanradiohistory.com/Archive-Catalogs/Allied-Catalogs/Heathkit_1961_Fall_Winter.pdf
>  
>  
> -- 
> You received this message because you are subscribed to the Google Groups 
> "neonixie-l" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to neonixie-l+unsubscr...@googlegroups.com.
> To view this discussion on the web, visit 
> https://groups.google.com/d/msgid/neonixie-l/4300122e-515c-418a-9cb4-7d17102fe9c7%40googlegroups.com.
> -- 
> You received this message because you are subscribed to the Google Groups 
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> https://groups.google.com/d/msgid/neonixie-l/MW2PR0102MB343545CF70DA59FCA018039F82AB0%40MW2PR0102MB3435.prod.exchangelabs.com.

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RE: [neonixie-l] 1961 Heathkit Catalog

[Michail Wilson]

Count me in.

I’d like to group buy for a price break.

I’m thinking the garage door opener on page 23.
Sorry, no need for the extra remote for $25.  No one is rich enough to have a 
second car, but a nice option for those super rich.

Ok,,…ok… On a serious note.
I’ll take the scope on page 94.  I hear in about 40 years, you can convert to a 
clock.

Michail Wilson
206-920-6312

From: neonixie-l@googlegroups.com  On Behalf Of 
martin martin
Sent: Thursday, April 30, 2020 8:42 PM
To: neonixie-l 
Subject: [neonixie-l] 1961 Heathkit Catalog

Since we all seem to have time on our hands...
Let's order some Heathkits!

Time to go on the "Way Back Machine" and make your orders!

https://www.americanradiohistory.com/Archive-Catalogs/Allied-Catalogs/Heathkit_1961_Fall_Winter.pdf


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[neonixie-l] 1961 Heathkit Catalog

[martin martin]

Since we all seem to have time on our hands... 
Let's order some Heathkits!

Time to go on the "Way Back Machine" and make your orders!

https://www.americanradiohistory.com/Archive-Catalogs/Allied-Catalogs/Heathkit_1961_Fall_Winter.pdf


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