Date: Wed, 22 Jul 1998 22:27:52 -0400
To: [EMAIL PROTECTED]
From: Jack Aubert [EMAIL PROTECTED]
Subject: Re: transfer of lines
In-Reply-To: [EMAIL PROTECTED]
At 09:55 AM 7/22/98 -0700, you wrote:
using a router. Either way it seems like a big task. How have others
transfered paper line
Babelfish translations are a paradox. If you don't know both languages you
can't tell how goofy the translations are and take them on faith. If you
know both languages, they are good laughs.
At 09:59 AM 9/1/98 -0400, Fernando Cabral wrote:
Steve Murray wrote:
All sundial mail list
I'm glad to hear that slate is so long-lasting. I carved a dial in slate
because that was the only thing I could find without an enormous effort
that was carvable. I bought a piece of polished slate about 32 square and
laid out the lines on it using a paper printout from a computer and scribed
At 02:06 AM 12/26/98 EST, you wrote:
Am interested in the book and the process used to make sundials with
slate. I
have a question, who do you connect the gnomen to the slate?
thanks
Buddy
I bought a rectangular piece of sheet brass about 1/16 thick and about 8
by 6 to cut out the gnomon,
At the time it didn't occur to me to try silver soldering -- I suppose
because I thought it would give me a silver-colored joint. Also because
the metal involved was rather massive, compated to what I have handled
before with silver solder, which had been focused on a small point. I
have
What format are the attachments you are trying to send? Files have to be
opened with software that knows what the format is -- and the fomat is
typically indicated by the extension. So if you get an attachment with an
extension of .xls, then it's presumably a spreadsheet (unless it's some
other
But isn't it literally wrong? As long as there are 60 minutes in an hour,
how can 24 of them vary at all?
Les durées de vingt-quatre heures egalent toujours 24*60 minutes...non?
N'importe le période de l'année.
I think it's just a case of unclear writing.
At 07:44 PM 3/13/99 +0100,
Ah non! Qu'il continue bien en francais. Moi, qui suis américain (né de
pere gallois et mère suédoise, je ne veux pas vivre dans un monde ou il ne
reste qu'une seul super-langue!
At 11:12 AM 4/5/99 -0700, Slawomir K. Grzechnik wrote:
Yvon
The site and pages look interesting. Why did not
I was just saying the same thing to my wife yesterday... trying to tell her
about how amazing it is to be able to read the most fascinating and erudite
postings from people in Poland (Slawek), Brazil (Fernando), the Netherlands
(Fer) the UK (several of you)...in approximately real time. The
At 08:53 PM 5/4/99 -0400, Patrick Powers wrote:
It was Sweden some time ago. They changed over at midnight. However, it
was sensible for them to change; not only was it easier - relatively small
and sparse population - but previously they drove mostly lefthand drive
cars on the left !!
I have no opinion on Chinese or Basque, but there is no Flemish language.
Flemings live in Flanders (mostly in Belgium) but their language is Dutch.
Spoken Dutch has several regional dialects both in the Netherlands and in
Belgium, but Flemings will insist that their language is Dutch --just as
Lueke,
That is really cool stuff. And it runs fastl
Here's another idea if you're interested. I tried to do this a few years
ago just using a spreadsheet to do the plots; I think I got it working
eventually, but the display left a lot to be desired.
Having lived at different latitudes, I was
I'll just offer an answer to the true north question.
Instead of using Polaris, I would use the shadow method to find true north. To
find the elevation of the celestial pole to use with an equatorial dial, you
can derive this most easily by getting your latitude from a map.
The shadow
That reminds me...
I saw a similar catalog. Actually it was on the internet somewhere. The
sundials-as-jewelry idea looked intriguing. But do you get the ray of
light that shines directly through the hole focussed sharply enough to
distinguish it from all the light that makes its way to the
True, except for the brief reigh of Julian the apostate (332 to 363).
Julian briefly restored worship of the traditional Gods, rebuilt many
temples. He was the author of hymn to the Sun God; a praise to the
mother of all gods.
But Julian disregarded the all the bad omens during his campaign
This puts me in mind of a theory expounded to me by a good friend (I still
don't know if he was serious or kidding):
You know how time seems to get faster as you get older? Well, actually
it's not just you, time really is speeding up. Today's kids just never saw
how it was when it used to go
C'est très beau, mais qu'est-ce que c'est un foliot?
At 11:14 PM 12/8/99 +0100, Francis Nouaille wrote:
-- message in french - english translation follows -
Pour mieux comprendre la naissance de l'horloge mécanique, l'horloger
Francis Nouaille a construit une horloge
What use is any of it if you can't connect to the Internet?
Maybe you'll survive for a while, but what kind of life will it be?g
Jack
At 12:30 PM 12/22/99 -0800, Dave Bell wrote:
In all seriousness, I expect little, if any, problems. But its still a
good idea to have reasonable emergency
Here's a dumb question:
If our western year odometer is calibrated by the birth of Jesus Christ,
why does it start seven days later?
We all know that the actual birth date of Jesus is a guess, later
calculated from historical evidence as probaby 4 years later, but why
doesn't the year start
by the beauty and techniques John demonstrated for working with sandstone,
I am energized to attempt something similar using locally available
materials.
My neighborhood stone supply place sells slate and white/black/green
marble. I know slate is very easy to work with, having made a slate
a tiny sample of slate, I'll try it.
John
John L. Carmichael Jr.
Sundial Sculptures
925 E. Foothills Dr.
Tucson Arizona 85718
USA
Tel: 520-696-1709
Email: [EMAIL PROTECTED]
Website: http://www.sundialsculptures.com
- Original Message -
From: Jack Aubert [EMAIL PROTECTED]
To: sundial
it is. Anything that relies on screws, threads, or grooves is taking the
first step toward making it into a clock... you could motorize the screw
thread... The dial would presumably have to live in a private garden, but
it's too finely made to be left out in the public park anyway.
Jack
Arizona 85718
USA
Tel: 520-696-1709
Email: [EMAIL PROTECTED]
Website: http://www.sundialsculptures.com
- Original Message -
From: Jack Aubert [EMAIL PROTECTED]
To: sundial@rrz.uni-koeln.de
Sent: Sunday, October 13, 2002 11:50 AM
Subject: Re: Carmicheal technique for making stone dials
identify meaning of the rayon vert beyond its
literal meaning of green stripe, ray or flash?
Jack Aubert
At 05:20 PM 11/11/2002 +0100, Thierry van Steenberghe wrote:
Robert Terwilliiger wrote:
Some time ago the list was discussing the green flash occasionally
reported at sunsets
If it ain't broke...
Everybody who cares already knows (or can guess correctly) what vernal
and autumnal mean. In any case this, this long-established usage
will not be changed even if there were a unanimous on this list to invent
something different.
Jack Aubert
At 11:56 AM 11/27/2002 -0500
I am awake early this morning in Falls Church Virginia, near Washington DC
and checked your solar calender for my time and location.
Here is what I get, below. I copied the display numbers manually since
most of them are changing, ignoring seconds. It took me a few minutes to
copy them
Bell,
John Hall and Jack Aubert.
A lot of thanks!
I am working on solving the bugs you reported to me and I have to say
that I think I have solved
almost all of them just by doing the following, which can serve as an
advice:
-
DO *NOT* use
helped me find bugs and
faults in my online solar calendar.
I am especially grateful to Gianni Ferrari, Antonio Siccardi, David Bell,
John Hall and Jack Aubert.
A lot of thanks!
I am working on solving the bugs you reported to me and I have to say
that I think I have solved
almost all of them just
to make it impossible to do any damage with a cookie. A web site can
create a cookie, which is only a small text file, and cookies can only be
read by the site that created them. When the Internet started to become
very popular, people who didn't really understand the technology began to
Dear dialists,
And just by sake of curiosity: does anybody have the original
arabic quotation written in kufic symbols? (I know that Omar Khayyam
was Iranian but, to my knowledge he used to write in arabic, didn't he?)
No, he wrote in Persian.
Persian, Perse, Pharasee, Farsee, Farsi... are
Maybe it's a message from the RATP with just a few letters wrong.
It actually should say:
Au levant, du Barbès (on) surgit à Paris Nord
But seriously, I did forward this query to a French History mailing list
I subscribe to and am waiting for some response from there. (All
the history Professors
drive. You have to be careful because can smash your fingers playing with
them.
Jack
At 02:47 PM 2/1/2005, tony moss wrote:
John Carmichael commented;
Anyway, I've been thinking that for some future project, that it would be
possible to attach the gnomon to the SGS using a magnet.
Salut François,
I think you might want to use something based on the word
layout like layout drawing or layout
markings or layout lines for
épure in this
context. My Robert Collins doesn't have the
adjective layout but I think it would be the best choice in
this context.
I don't think folded
I am about to attempt a dial using the technique you demonstrated several
years ago at the Tuscon conference. I know I have to glue the paper sheet
onto the stone and end up sealing it in urethane but can't find your
instructions and don't remember the sequence. Do I seal the stone first
researching his
book Genius about Feynmann who then wrote me for an explanation.) It
was all very gratifying to my ego, but didn't help with the time
question!!
Jack Aubert
E-Mail: [EMAIL PROTECTED]
Homepage: http://www.cpcug.org/user/jaubert
or
better with a grinding wheel and a thin file. If you make a mistake or a
slip of the hand (as I did a few times) and you haven't carved too deeply,
the mistake can be sanded out using fine wet-or-dry sandpaper.
The brass gnomon was another story.
Jack Aubert
E-Mail: [EMAIL PROTECTED
I followed the instructions, and supplied my name and a password. Mailman
replied in German, which I can understand a little but not really enough to
know if I was accepted or bounced so I am trying this post to see.
Jack
--
John,
In your work with stained glass, have you found it possible to do
anything useful or interesting using colored glass to project tinted
shadows? I know that sunlight coming into a church through a
stained glass window can project colored images on the
floor. But from what I have been able
Brad,
The domain (and web site) is owned by David Bell.
Jack
At 03:00 PM 2/6/2007, you wrote:
Content-class: urn:content-classes:message
Content-Type: multipart/alternative;
boundary=_=_NextPart_001_01C74A29.6E83B240
Bob:
it turns out the programs are still on the site and that
My first thought was that it was a trompe l'oeil, but I examined the
shadows and they seem to be cast exactly as they would at the time
indicated by the gnomon. On looking again, however, it does seem that some
of the same imperfections in the background continue on through to the dial
face.
There are four or five programs each with its own strengths. Personally, I
found François Blateyron's Shadows program to be very useful because he has
an option to print out Cartesian coordinates of the lines in tabular
form. Rather than using actual angle values, which are somewhat difficult
I have been half-heartedly attempting -- with my shaky grasp of
trigonometry -- to figure out where the sun rises and sets at the
Solstices. One should, I think, be able to read this directly off the face
of a sundial, given the time of sunrise/sunset on the solstice.
I found a web site with
Thank you all for the answer(s) to this little problem and for the
bread-crumb trail to try to retrace the derivation.
My original question was sparked by wondering about the maximum deviation
from east-west at the solstice(s) so I could display my erudition and bore
people with comments
Missouri.
Jack Aubert.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Roger Bailey
Sent: Wednesday, August 13, 2008 5:47 PM
To: Sundial Mailing List
Subject: Missouri Ottoman Sundial
The Sundial Tour for the NASS conference in St Louis Missouri visited the
Missouri
David Shayt's obituary ran today in the Washington Post:
http://www.washingtonpost.com/wp-dyn/content/article/2008/11/11/AR200802
483.html?sub=AR
Jack
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Fred Sawyer
Sent: Wednesday, November 12, 2008
First of all, it is not very civil to start up a political argument on a
list like this.
Second, the sentiment you are reacting to is simply a tag-line presumably
attached to all messages sent by Yan Seiner. Reacting to it is like picking
a fight with somebody who pulls into a parking lot
knowledge. But so far, the only
way to get a real translation is to run it through a human brain. Machine
translation may eventually be a reality, but not until they perfect
artificial intelligence.
Learn more languages! There is always time for one more.
Jack Aubert
-Original Message
Hi John,
The site looks really beautiful. Congratulations to you and to your
webmaster.
I wouldn't worry about the Google translator moving the layout. I checked
several of the languages I can read and the translations are all very
sketchy anyway: You can understand the meaning
I recently revised my notes for a sundial talk I was giving which included a
section on the EOT, and its connection with the traditional figure 8
analemma. I wanted to explain its origin, or at least be able to answer
the question if asked, but have not been able to find any believable
.
Jack Aubert wrote:
I recently revised my notes for a sundial talk I was giving which
included a section on the EOT, and its connection with the traditional
figure 8 analemma. I wanted to explain its origin, or at least be able
to answer the question if asked, but have not been able to find
Such a shame that we cannot have sundials inside.
What we need is for somebody to develop a motor-driven, geared apparatus
that will move an electric through a path that picks up all the relevant
celestial motions.
Jack
-Original Message-
From: sundial-boun...@uni-koeln.de
How about the misconception that it saves energy. I have never seen any
serious scientific study that supports that theory which is implausible
given energy use patterns in the 21st century.
Jack
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of John
I have been thinking the same thing.
That slate dial is strikingly beautiful and I like the idea of using a
completely different type of hour that does have to offer any excuses for
not being the same as what is on one's watch. Frank King's narrative write
up answered one of my questions. I had
analemmatic dials engraved in
sandstone suitable for use in a private setting where the gnomon can be put
away and/or replaced.
Are you engraving in metal? Stone?
Jack Aubert
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of Douglas Bateman
Very nice! Congratulations. A clean, uncluttered elegant look.
I see that the list of topics in the left-hand column is alphabetized. You
might think about re-ordering them by some other criterion like
general-to-specific. This way, you could put some things like Tony's how
sundials work and
Beautiful!
Particularly the traditional fly.
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of John Carmichael
Sent: Saturday, January 29, 2011 2:50 PM
To: sund...@rrz.uni-koeln.de
Cc: Glass List
Subject: New Stained Glass Sundial- Finished!
Hello
This has all been very instructive. I am not a complete beginner, but have
to confess that I was under the impression that rotating the dial plate with
respect to the fixed gnomon was sufficient. Somebody once told me I could
do this and I never really thought about it. If you actually think
My reaction was:
A pub with a sundial and something called a pothole complete with winch to
lower you into it! Is a pothole full of ale? Wow. The UK does it again!
Jack
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of Richard Mallett
I am reposting this message that for some reason exceeded the size limit:
Yes, it is clearly meant for a polar axis gnomon. The hour lines are
symmetrical with 6 and 6 crossing at the root of the gnomon so it is meant
to be directly south-facing. However the hour angle lines do not
Yes, it is clearly meant for a polar axis gnomon. The hour lines are
symmetrical with 6 and 6 crossing at the root of the gnomon so it is meant
to be directly south-facing. However the hour angle lines do not appear to
be accurate for any latitude. Iif you measure the hour angles and try to
as the Kindle uses for it to be visible in sunlight. It would be way cool
and I would love to have one but it would not really be a sundial. In fact,
you could run it off a lithium battery instead of sunlight and it would even
work work at night.
Jack Aubert
-Original Message
By the late 17th century, as clocks became more accurate, clockmakers struggled
with the fact that they did not seem to tell true (solar) time. The Mercure
de France in 1738 reported that “Many clockmakers find themselves exposed to
criticisms of their methods by those who claim that their
Value, schmalue.
But it appears to be an interesting object, particularly if it really is an
accurate replica of something from the 17th century. Are there more photos
of it and an explanation of how it works? At first glance it looks like a
skaphe dial made to be transparent by use of a
I have not been able to figure out a plausible way to contort my watch arm
so that 12:00 noon faces my body. You lost me at step 1.
Jack Aubert
-Original Message-
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of Will Vaughan
Sent: Tuesday, October
the use of letter-number notation in ancient
Arabic – similar to Greek notation – and something that will send me on a
little research excursion to learn when the decimal place notation and the
original “Arabic numerals” arrived in Arabic.
Jack Aubert
From: sundial-boun...@uni
Gianni,
How can I buy a copy? I would like one. Can you take Pay Pal?
Jack
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of Gianni Ferrari
Sent: Wednesday, December 07, 2011 2:06 PM
To: LISTA INGLESE
Subject: THE ANCIENT ISLAMIC SUNDIALS - A
John,
I call that a nebular eclipse, and they are even worse when they are solar!
I sat outside and watched a nebular eclipse of the sun in Morocco in 1994.
It was quite a disappointment.
Jack
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of
Eppur se muove!
:-)
Jack Aubert
-Original Message-
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On
Behalf Of Bill O'Neill
Sent: Tuesday, December 13, 2011 7:03 AM
To: sundial@uni-koeln.de
Subject: Re: sundial Digest, Vol 72, Issue 11
Hi All:
Why do people
Children learn at a fairly young age - at least I did -- that the earth and
planets revolve around the sun and we learn to take a God's eye view of the
solar system. We see this depicted in hundreds of pictures.
Unfortunately, this knowledge, while true, is quite removed from our
experience of
to these things. What is really interesting about
this phenomenon is how much the rate of change is affected by latitude.
Above the arctic circle, I guess the curve becomes almost discontinuous when
you go from a 24 hour day to a 24 hour night.
Jack Aubert
Falls Church Virginia
From
We had one like that when I was living in Morocco. We had driven from Rabat
to Casablanca to see it, and were sitting on a terrace drinking beer when it
happened.
I call them nebular eclipses.
Jack
-Original Message-
From: sundial-boun...@uni-koeln.de
It looks like the DNS domain lindisun.demon.co.uk has lapsed.
Does Tony Moss have a new email address? The t...@lindisun.demon.co.uk
address is now reported as Unrouteable.
Larry McDavid
Sundial Registrar
North American Sundial Society
---
Not in the NASS registry! Does anybody live in South Carolina?
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Fred Sawyer
Sent: Tuesday, August 28, 2012 3:23 PM
To: Tony Moss
Cc: Sundial List
Subject: Re: IMAGES APLENTY
Tony,
There is a large version of that Manship
the
composer would have to be Philip Glass
Jack Aubert
-Original Message-
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Martina
Addiscott
Sent: Friday, September 14, 2012 6:37 AM
To: sundial@uni-koeln.de
Subject: Sundials in playgrounds - at last, the tide is turning
The city-direction labels are a nice touch: an old tradition that seems to
have fallen into disuse. I hope you can tell us how the concrete (?) bowl
was constructed.
Jack
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bill
Gottesman
Sent: Sunday, April 07, 2013 3:40
But why his 306th birthday? What is the significance of 306? Am I missing
something obvious?
Jack
-Original Message-
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Frank King
Sent: Monday, April 15, 2013 4:30 AM
To: sundial@uni-koeln.de
Subject: Today's Google Banner
I would like to subscribe. Will the reborn review only be available on-line
for foreign subscribers? If so, we would need an e-mail notification for new
issues.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of
sun.di...@libero.it
Sent: Sunday, April 21
This is all fascinating stuff and I will either impress or bore people with
my bogus erudition on the subject.
But Is there an easy way to distinguish lime mortar from Portland cement
mortar, like with one's thumbnail? In America, the oldest brick buildings
on the East Coast are from the
lines run
together. The crescent may just be something that became locally
fashionable in that region of France when the dials were being constructed.
I think that is probably a more plausible explanation than looking too
deeply for religious symbolism.
Jack Aubert
From: sundial
You are right, Mike: Here is a photo of the dial from the report on our
Vancouver conference.
I don’t recall any write-up or presentation, though.
Chuck Nafziger’s light concentration sundial, complete with
Braille markings.
From: sundial
Just don't quit your day job quite yet.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Donald
Christensen
Sent: Thursday, July 25, 2013 7:08 PM
To: sundial@uni-koeln.de
Subject: Sundials in schools
My sundials haven't sold as well as I hoped. In fact
.
The upper and lower limbs of the analemma do correspond to the two
solstices, but the crossover point when clock time deviates from solar time
is not related to the equinoxes. This appears to have been a plausible (but
wrong) guess by somebody.
Jack Aubert
From: sundial
.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Fred Sawyer
Sent: Friday, September 20, 2013 12:19 PM
To: Sundial List
Cc: Bob Kellogg
Subject: News article
Congratulations to John Carmichael on being featured in an article in Inside
Tucson Business.
http
speculation that, absent
standardized units of measure, Hellenic sundial calculation and construction
techniques were probably specified by using triangles and ratios.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of
nicolasever...@libero.it
Sent
the beginning of
Asr so this line would be the end of Zuhr making the last line the end of
Asr, or second Asr.
The script along the vertical line is completely beyond me but I am pretty
sure there is no Dhur in there.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de
The second word along the vertical line is almost surely, Zawal, which is
the instant when the sun has passed mid-day, and the Zuhr may begin.I
cannot make out the first word.
Jack
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Kevin
Karney
Sent: Friday,
://chezaubert.net/froggy2.jpg
The sun tracks are really more of a secondary decoration than the point of
the photos.
Jack Aubert
-Original Message-
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of rmallett
Sent: Monday, May 05, 2014 2:42 PM
To: Bill Gottesman; John Foad
Also note that the center of the body runs down more or less through the heels.
So the heals (or possibly the insteps) rather than the toes should be lined
on the date.
Any more precision and we will need 5 minute lines!
Jack
From: sundial [mailto:sundial-boun...@uni-koeln.de]
and spray paint.
With spray paint you have to be careful to make sure that successive layers are
compatible.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of cerculdestele .
Sent: Tuesday, August 12, 2014 10:16 AM
To: sundial@uni-koeln.de
Subject: Acrylic
Hi Dan,
Beautiful project. I’m also in for a minor contribution.
I like paypal mainly because it spares me from having to remember or copy a 16
digit credit card number.
Jack
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Roger Bailey
Sent: Friday, August 15,
of essential and optional tools. If
anybody on this list wants to attempt photo-etching, I will be glad to share
my how-to document, which is meant to be used a supplement to Tony's video.
Jack Aubert
-Original Message-
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of John
I'm sure there are more than two of us and my Latin is pretty minimal.
The leap year date is a double-six (in French it is called bissextile).
It is a second sixth date. The sixth means six days before the March
calends (beginning of March). Therefore there is a second February 24 so to
avoid
interested in the slope of the curve around the equinoxes at northern
latitudes, when the transition from long summer days to short winter days is
quite abrupt.
Jack Aubert
-Original Message-
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of John Goodman
Sent: Sunday
Just learn Italian! It takes a little effort but you can do it.
Its an excellent language and is useful for a number of things besides
gnomonics, including visiting Italy and listening to opera.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Reinhold
Hi Jackie,
I have done several dials like this cut from a large plastic board I
purchased several years ago. The board is some kind of sign-board ¾
thick, with high density foam core and smooth plastic on each side. I
cannot locate either the name of this material or where I got it from,
of the Amphiareion is, of
course, equatorial and not horizontal as I originally said.
Jack Aubert
From: Roger Bailey [mailto:rtbai...@telus.net]
Sent: Monday, August 03, 2015 8:13 PM
To: Jack Aubert; sundial@uni-koeln.de; Sasch Stephens
Subject: Re: Temporal Hours
used temporal
hours.
Jack Aubert
From: schalda...@aol.com [mailto:schalda...@aol.com]
Sent: Thursday, July 30, 2015 1:55 AM
To: rtbai...@telus.net; email9648...@gmail.com; sundial@uni-koeln.de
Subject: Re: Temporal Hours
Greek and Roman dials were not horizontal
shapes than
the horizontal plate with inclined gnomon you are used to seeing. In Perth
your gnomon should, indeed, have a 32 degree slope and be parallel to the
earth's axis. But the hour line numbers are reversed from what they are in
the northern hemisphere.
Jack Aubert
Yes, the server died, but has been resurrected with some replacement hardware.
It is back up and running now.
Jack Aubert
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bill Gottesman
Sent: Saturday, October 31, 2015 8:07 PM
To: Sundials List <sundial@uni-koeln
It is a very attractive dial and a nice way to decorate one’s roof. But you
may want to photoshop out what appears to be an unmetered electrical tap
powering the bar-restaurant across the street.
Jack Aubert.
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Dan
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