They still put mercury in glass envelopes, there are several hundred
here where I work.
In the light fittings, 2 types high pressure and low pressure mercury.
and HID and metal halide.
Mercury is also present in reasonable quantity in fluorescent tubes,
of which there are millions all around us.
Hi,
personally I think that the IN-18 Blue Dream and the Sven Nixie
clocks cannot be compared, for several reasons:
First, you already mentioned the IN-18 tubes, they are much more costy.
But this also poses a technological problem: While it is rather easy to
supply 12mA = 6 * 2mA for IN-14
During my Nixie tube project mercury will be a good solution for
prolonging the tubes' lives. When I merely mentioned the possibility
while talking to our facility manager, he wouldn't want to listen to me
anymore, and I had to assure that I would not tinker with mercury in
their rooms...
Personally I think that the whole mercury craziness is plain stupid.
But well, people were made to believe that some plants are evil.
What if you tried to do it as The Ancient Nixie Makers would do: Use a
tiny mercury giver tube. Maybe it would be possible to find them in
the 'former USSR'? Or
You mean that if they were 1mx1mx1m with 1m3 of mercury it would be
fine? World is weirder than I thought...
I would just use them not telling anybody what's in those tiny, tiny
tubes. Or tell them it's getter.
Then you crack those tubes open in some other location. And you are
not exposing
Sure, 1m^3 would be fine ;-) Don't worry, in that case other rules will
kick in...
Jens
You mean that if they were 1mx1mx1m with 1m3 of mercury it would be
fine? World is weirder than I thought...
I would just use them not telling anybody what's in those tiny, tiny
tubes. Or tell them it's
I think it's a great clock stuffed full of features and would really
like one but I too think it is on the expensive side. 179 Euro (inc
tax I'm in the UK) just for the board kit + you have to buy the needed
transformer @24 Euro + the colons @19 Euro separately! Surely a
critical part
So lots of schoolboys
would break open a thermometer and coat the ha'penny with the
mercury
to make it silver and pass it off as a shilling
Hate to admit it, I was one of those boys. I was 'hero' of the class
for a short term when I showed them that trick lol, our class was
banned from having
On Feb 9, 1:05 pm, Lucky dave.lucky.po...@gmail.com wrote:
So lots of schoolboys
would break open a thermometer and coat the ha'penny with the
mercury
to make it silver and pass it off as a shilling
Hate to admit it, I was one of those boys. I was 'hero' of the class
for a short term when I
Nick, we used to do the same with the trainssmall pennies or pieces of
granite from the sidings...fun times. As a practicing chemist, I understand
the hazards with dealing with toxic substances, but some of this has got
out of hand. Mercury salts are the ones to truly be worried about, and
On Feb 9, 4:02 pm, Nicholas Stock nickst...@gmail.com wrote:
Nick, we used to do the same with the trainssmall pennies or pieces of
granite from the sidings...fun times. As a practicing chemist, I understand
the hazards with dealing with toxic substances, but some of this has got
out of
That's what I was thinking, it was my understanding that elemental
mercury is not all _that_ readily absorbable by the body. The kind that
you need to worry about is the sort that has already been absorbed by a
body (like a fish) and so is in a form that your body will happily
accept.. and
OK, you are right, it's a matter of taste.
Dieter
I'd have to disagree with you there Dieter, nothing wrong with acrylic cases
for IN-18 clocks..
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On Feb 9, 11:22 am, Nicholas Stock nickst...@gmail.com wrote:
I'd have to disagree with you there Dieter, nothing wrong with acrylic
cases for IN-18 clocks..
http://www.pvelectronics.co.uk/index.php?main_page=product_infocPath...
It wasn't cheap or easy to do either;-)
Nick
On Thu,
On Feb 9, 11:22 am, Nicholas Stock nickst...@gmail.com wrote:
I'd have to disagree with you there Dieter, nothing wrong with acrylic
cases for IN-18 clocks..
http://www.pvelectronics.co.uk/index.php?main_page=product_infocPath...
It wasn't cheap or easy to do either;-)
Nick
On Thu,
Well, it is all a matter of taste...the pictures don't do it justice as the
base is milled from a 1/2 inch block and the case rests over the base with
nice cut outs on the back for the buttons and leads etc...but hey, it's not
to everyone's tastes... ;-)
Nick
On Thu, Feb 9, 2012 at 11:03 AM,
You're not much of a fan of Hi-Fi Jeff? ;-)
On Thu, Feb 9, 2012 at 11:03 AM, Jeff Thomas nixich...@gmail.com wrote:
On Feb 9, 11:22 am, Nicholas Stock nickst...@gmail.com wrote:
I'd have to disagree with you there Dieter, nothing wrong with acrylic
cases for IN-18 clocks..
Thanks for your words, Jeff.
All of us in out little Nixie family inspire each other.
Dieter
Although I concurr that Dieters work is pricey amongst the herd, he's
shown the best packaging ingenuity of the lot. Spanning the market
evolution since '04. In spite of that high cost, he obviously
On Feb 9, 12:10 pm, Nicholas Stock nickst...@gmail.com wrote:
You're not much of a fan of Hi-Fi Jeff? ;-)
Dang, you caught me...
We recently replaced the Symphonic brand AM/FM receiver, clad in the
finest Asian hardwood, with simulated woodgrain vinyl veneer.
:))
Seriously though, it's hard
Yeah, same here. I too used to play with mercury when I
was a kid.
Oh sure, yes, it would be harmful if you poured it out
into a big pan and heated it on the stove and stuck your
head in the pan to inhale the vapor.
But, just normal everyday handling? I think people are
freaking out about
That explains a lot about you Chuck. JK.
I remember when I was a kid (much like now), I used to work at Radio
Shack. I remember the mercury filled switches being sold. Strangely, the
same
as the switches in your old house thermostat. I thought they were very
cool because you also saw
There is no way he'll get anywhere with this in court. I think that his
legal representation is counting on the small time electronics dealers
to settle out of court to avoid the legal costs. It's sad, the threat of
suing someone in this country is almost like extortion to most people.
-Adam
Just curious, does someone know how mercury is mined?
I still have a number of mercury switches, they used to be common on washing
machine doors, car hoods, heating thermostats and car trunk lids and a
number of other common places. The stuff never affected me either.
So, what were we
The thing that cannot be denied is that he was diagnosed with mercury
poisoning (see 37), so the question remains where did that come from?
If it wasn't from the tubes, what was it then?
Michel
On Feb 10, 7:06 am, chuck richards chuc...@all2easy.net wrote:
Yeah, same here. I too used to
It has become apparent to me that you can not judge someone else's
design on your own taste. I think the features of the clock are
superior and there is probably nothing wrong with the electronic
design either. Just a thought, why didn't you incorporate an ambient
light sensor to automatically dim
Whoah, i just found this by searching for the ZM1041S on google and
found this! Its so awesome especialy the PWL
On Dec 14 2011, 12:25 am, Aleksander Zawada onet
aleksander_zaw...@poczta.onet.pl wrote:
Hi everybody,
After long break, I can show you two nixies from PWL laboratory- mp4 files.
diagnosed by who?
-Dan
On Thu, 9 Feb 2012, Cobra007 wrote:
The thing that cannot be denied is that he was diagnosed with mercury
poisoning (see 37), so the question remains where did that come from?
If it wasn't from the tubes, what was it then?
Michel
On Feb 10, 7:06 am, chuck richards
Well, that is a good question, I just assumed it would have been a
professional medical examiner, but yeah, maybe it was his drunk
grandmother, who knows?
Michel
On Feb 10, 9:46 am, Dan Hollis parkxz9aw...@anime.net wrote:
diagnosed by who?
-Dan
On Thu, 9 Feb 2012, Cobra007 wrote:
Exactly. I would assume that would be a cornerstone of the case, so
you'd want to make sure that the diagnosis was infallible. I haven't
read through all of the petition to see if there is any mention of this
fact but I assume that it is pretty devoid of evidence.
-Adam
On 2/9/2012 2:53 PM,
There are a lot of quacks out there who will give you a diagnosis of
anything. So the question is if the mercury poisoning diagnosis was from a
reliable source or not.
-Dan
On Thu, 9 Feb 2012, Adam Jacobs wrote:
Exactly. I would assume that would be a cornerstone of the case, so you'd
want
Too much canned tuna fish!!Ira
On 2/9/2012 2:46 PM, Dan Hollis wrote:
diagnosed by who?
-Dan
On Thu, 9 Feb 2012, Cobra007 wrote:
The thing that cannot be denied is that he was diagnosed with mercury
poisoning (see 37), so the question remains where did that come from?
If it wasn't
On 12-02-09 11:02 AM, Nicholas Stock wrote:
We used benzene at school, made aspirin on the bench, threw lumps of
sodium in water (with one classroom evacuation as a result...got a bit
frisky that one...)I imagine /none/ of that would be allowed these
days
Grade 9, about 1968, the
You would think that his attorney would have picked someone to make the
diagnosis, whose credentials are impeccable, lest the defense attorneys
will chew him and hid diagnosis up and spit him out in teeny, tiny,
little pieces. Ira
On 2/9/2012 2:53 PM, Cobra007 wrote:
Well, that is a good
Nice one Lucky. A couple of years we visited Old Mogo Town
http://www.oldmogotown.com.au/
The gold was extracted from the rocks exactly how you describe it. I
also raised the question there about the mercury used. According to
the guide, they did know at that time already that mercury wasn't good
Some pictures of the little mercury I have.
For some reason, I never thought that it would NOT be magnetic.
Amazing how a penny and quarter will stand on end. (pic 904)
Both float on the surface. If you push them to the bottom, they will stay.
I should probably clean it up (lots of foreign
Cool stuff! A video would have been better ;-)
I actually never thought that it would be magnetic, don't really know
why but apparently it was correct :-).
Michel
On Feb 10, 1:31 pm, micha...@aol.com wrote:
Some pictures of the little mercury I have.
For some reason, I never thought that
Visited a place just like that but in Victoria in the 70's, remember
we went panning for opals, I found one and has a ring made from it and
gave it to a girlfriend. Good ol days lol.(Back over in march for 6
weeks, Perth and Brisbane) Back on topic I wonder if any of those
workers suffered ill
Now that is interesting! And yeah, a video would be nice :)
Where did you get that mercury?
On Feb 10, 3:44 am, Cobra007 mic...@xiac.com wrote:
Cool stuff! A video would have been better ;-)
I actually never thought that it would be magnetic, don't really know
why but apparently it was
I was gonna take some video, but seems like a LOT of people already have
done that on youtube.
Any suggestions?
Umm, I heard it was used in mining (gold), so I went to a jeweler and asked
if he had any. He asked how much? I said a small jar. He sold me that
jar for $20. I was
I just came across this one Jens, you might be interested in it. A
very tiny and cheap 180V power supply delivering 64mA. You could drive
10 of these IN-18 tubes.
Those are rock solid supplies, too. Our own jt makes them. As far as I'm
concerned, they're unbeatable for the size and price.
Hey all
Got a bit of a problem over here.
Since I've got my atmegas, I've started repairing my breadboarded
circuit. Protected my fresh chip, checked for any possible shorts, and
fired the damned thing. The results were odd. Some of the nixies lit
up showing number 7, instead of the real time. I
Theo Gray dug up a copy of that wonderful old National Geographic picture of a
man sitting ON a pool of mercury. Scroll down a fair bit to see it:
http://periodictable.com/Elements/080/index.html
- John
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As far as cleaning your mercury, I vaguely recall something about
straining/filtering it through a piece of material like thin cowhide, or
chamois. Verify that I'm correct before trying it. Ira.
On 2/9/2012 6:31 PM, micha...@aol.com wrote:
Some pictures of the little mercury I have.
For
As far as cleaning your mercury, I vaguely recall something about
straining/filtering it through a piece of material like thin cowhide, or
chamois. Verify that I'm correct before trying it. Ira.
On the same mercury page I just mentioned*, it states:
This picture is out of date: I've
I just uploaded a video that I recorded in 2009 in Old Mogo Town. It
shows a rock crushing machine for extracting gold and a good
explanation. Also some info about the mercury they used and that they
were aware of it's poisonous character.
http://youtu.be/8_Ft7am1vUk
I though it was quite
Does 0101 give a 5 as well?
Was wondering if 0100 is stuck.
Does it count..
4 5 6 7 4 5 6 7 8 9 4
instead of
0 1 2 3 4 5 6 7 8 9 0
Michail
In a message dated 2/9/2012 7:42:23 P.M. Pacific Standard Time,
imba.a...@gmail.com writes:
These were the results; input 0001 gives 5
74 ttl as mentioned really needs a 5v regulated supply, the 7805 is
important.
Also a ceramic decoupling capacitor accross each chip supply pins is a
good idea, I've had similar issues with 74 devices, when the
transistors change state within the device there is a 'rush through',
sort of a
On Feb 9, 11:49 pm, Dieter Waechter i...@nocrotec.com wrote:
I have these supplies here on my workbench.
It can not drive 10 IN-18 Nixie tubes and it rings, overheats, and the first
blew up after 20 seconds.
(Sorry John)
John was helpful solving that problems, and send a new one, but this
If you use a 7805 as voltage stabilizer, consider these IC's need an
overvoltage of at least 3V at the input. The show an voltage drop of that
3V. Usually a transformer with an output of 8 to 9 volts AC is advised (This
results in a raw DS of 1.4 × 8 = 11.2 V. So you are safe for line and load
Ok, decided to clean it up and took some video (uploaded).
So, it's not like water. I was worried about using a paper towel
(thinking it would soak into it instead of repelling. Doesn't flow through
even if
poking a hole with a sewing needle.
Coffee filter. Well, it doesn't flow
I would recommend to use a switch mode 5V regulator, no need to worry
about dissipated heat.
For low current power supplies I still use zener diodes, works very
well if certain applications and no need to worry about voltage drops.
Judging from your data (17mA 300ohm), your power supply is then
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