-Original Message-
From: Darek Oczki
Sent: Sunday, June 02, 2013 3:31 PM
To: sundial@uni-koeln.de
Subject: A watch with a sundial
Dear dialists
Does anyone like watches combined with sundials?
Well, this is not exactly that but you might like it anyway:
A new link to Sundial on latest Mars rover:
http://www.universetoday.com/96930/curiositys-sundial-carries-a-message-
of-hope/
Fritz Stumpges
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
just to
get here, so that’s some pretty accurate planning!
Best to all,
Fritz Stumpges---
https://lists.uni-koeln.de/mailman/listinfo/sundial
I did hear that the earthquake in Japan caused a very slight, but
measurable shift in the earth's rotation...just what parameters and how
little I didn't see.
Fritz
From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de]
On Behalf Of Simon [illustratingshadows
Sent:
If Meeus has a solution then he has different ones for each latitude and
day of the year...and it will include the ridiculous graph of a day at
the North Pole. There, the sunrises on about March 21 and sets after
183 24 hour periods on about September 21! I'd love to see Meeus'
graph of those
will probably find this link useful
http://www.jgiesen.de/pursuit/index.html
rvg
From: Fritz Stumpges [mailto:fritz_stump...@fluidcomponents.com]
Sent: 07 September 2011 17:25
To: Gent, R.H. van (Rob); sundial@uni-koeln.de
Subject: RE: Walking Shadow Riddle
Well that could go either way yet! I always thought that
the N pole on a magnet really was the North Polarity and
that the geographical north pole was actually a South Polarity.
Wiki agrees but what's that worth?
http://en.wikipedia.org/wiki/North_Magnetic_Pole
-Original Message-
, it doesn't
matter at work; but I sure can't wait to get home, work in the shop, fire up
the barbie, sit out on the deck and relax into the slow late twilight. To me
winter is for very important hibernation.
Hopefully many have enjoyed all of this DST 'humor',
Fritz Stumpges
-Original Message
watch thru my telescope's eyepiece and I will tell her when
it will happen by timing with my watch, and...usually
within seconds! I will leave it to you to imagine what can
be done in designing / setting up / checking sundials etc!
Have fun all,
Fritz Stumpges
-Original Message-
From
Hi All,
I apologize if someone has already answered this thread, here or
in previous posts; and even more if it has nothing to do with the
green flash and seeing it again on another floor a short time
later.
I think that one way to see it is that the earth is turning at
an approximately constant
If instead of sun-gnomon-shadow you want a little shade, you might consider one
of Claude Hartman's
south facing Stained Glass windows which use an awning with a slit aimed at the
north polar point.
You then have a bar of light rather than a shadow indicating time.
Fritz
-Original
that my head is beginning to precess a little with all of
these variables! and it's scary when my spell check won't even take
'precess'!
Fritz Stumpges
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Frank Evans
Sent: Thursday, November 01, 2007 6:34 AM
Thought those of you who haven't heard of the dangerous Dogs of Al-Gebra
might want to read:
The dangerous Al-Gebra Movement
At New York's Kennedy airport today, an individual later discovered to be a
public
“Nadir” of opposite extremes Mecca and
Polynesia make.
Fritz Stumpges
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Mashallah Ali-Ahyaie
Sent: Wednesday, July 18, 2007 7:35 AM
To: guerbabi ali
Cc: sundial@uni-koeln.de
Subject: Solar Qibla (guerbabi
Hi all,
One picture of them working on a piece showed a guy with a ? 10 liter or
so canister spraying his piece...could just be water but ???
Fritz
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Tony Moss
Sent: Friday, June 29, 2007 4:52 AM
To: Sundial
in a device like this.
Has anyone had a look at the details and what
are your preliminary thoughts?
Fritz Stumpges
http://www.nytimes.com/2006/11/30/science/30compute.html?th
http://www.nytimes.com/2006/11/30/science/30compute.html?themc=th emc=th
says that they can keep it from
fading now days but it really doesn't look bad at all. The lime
deposits from irrigation overspray still clean off easy and there
is absolutely no corrosion. I would highly recommend this finish
on aluminum.
Fritz Stumpges
-Original Message-
From: [EMAIL
.html
Fritz Stumpges
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED]
Sent: Saturday, March 04, 2006 6:03 PM
To: sundial@uni-koeln.de
Subject: Re: Paint on stainless steel plaques
I second the motion to experiment. I have heard that black
The sundial materials that you can't laser cut are bronze and brass. Stainless
is great except that normal shielding gas leaves a slightly burnt edge which
can be a problem for some high spec corrosion and welding applications.
Fritz
You said,
I heard that you can't laser cut stainless
are and open the door to possible interpretations based on the
spirit of the law.
Fritz Stumpges
-
downloaded the viewer.
It
ispossible this might open up a new way to share our
ideas. Ideas are so much easier to create and
share than
material dials. For many like me, they are 90% of
the joy!
Thank
you and please let me know your thoughts on this
and
other modeling programs.
Fritz
Stumpges
again to all,
Fritz Stumpges
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Fritz Stumpges
Sent: Thursday, August 11, 2005 4:23 PM
To: Sundial List (E-mail)
Subject: NASS Conference in Chicago
Hello All,
I will be attending this years NASS Conference
at
our annual gathering!
Fritz Stumpges
15027 Adams Dr.
Pauma Valley, CA 92061
Please contact me off list or at
760-736-6178 wk
760-742-8719 hm
-
of the sheet support can be created so as to integrate into the design of the sundial.
Then stained glass sundial can then be mounted inside the ½ inch thick frame for
good support.
What do you think of this idea John?
Fritz Stumpges
Stained Glass Sundial Frame.doc
Content-Type: image/bmp
Hi Judith and all,
I don't know your elevation but I put you at 600ft.
Well here it is, they are both within 3 1/2 arc min of each other and would
only appear to be about .1 inch off from each other at 8' from mirror!!:
2/6/05 Azm = 172deg 18' 07 Alt = 34deg 09' 11 Alt w/ref. = 34deg 10'
by dividing by the cos ofattitude.
This
is 20%
for me at 33 N.
This
means that here at 33N on equinoxes, west is
actually .4 degree (little less than solar dia) south
of
the apparent refracted disappearing solar limb.
This
is from = 3/4 degree (1-1/2 suns) times sin
lat.
Fritz Stumpges
Content
Hello Mark and all,
I just did a quick search on my Sky mapping program and
found that it appears to say that Calcutta, India will be
approximately under the sun at noon during a portion of
the transit. This is preliminary and needs much
refinement but could be a start for zeroing in on an
Hi John,
If you're interested, I have some nice 3d images of several
hemispherical designs I've played with. (In TIF or?) I love
the old Roman dials and hopefully some day will get to make
some!
Fritz
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of
What
we want to know is, what is a "setsquare"?
Fritz
-Original Message-From: Roger Bailey
[mailto:[EMAIL PROTECTED]Sent: Wednesday, December 17, 2003 6:06
PMTo: sundial@rrz.uni-koeln.deCc:
[EMAIL PROTECTED]Subject: RE: A quick check on
Al-Gebra
-Original
Hi all,
A friend at work, who is also from Bangladesh, says that it
is a red sun. The green he says is symbolic of newness
and the red of the sun some say from the (new) rising sun
and the blood of struggles for independence.
Fritz
-Original Message-
From: Bill Thayer [mailto:[EMAIL
Hello All,
I ran across some more beautiful pictures of the tower. They put it into a
city perspective and give good details of each Wind.
Fritz
http://www.indiana.edu/~kglowack/athens/ratw.html
The Ancient City of Athens The Roman Agora Tower of the Winds.url
Content-Type:
Hi Donald,
I don't know if changing its color to black is
agreeable, but the idea of sand blasting it for
a matt finish is good and I have used a black
oxide finish on stainless before. It is usually
used as a surface finish on regular steel parts,
but works on any material with iron, such as
Thanks Gianni,
Please send the PDF, I would be interested in what they
consider the optimal dimensions for the pin hole vs. the
size etc. I will install one tomorrow at my home,
commemorating the Spring Equinox.
Thanks,
Fritz Stumpges
-Original Message-
From: Gianni Ferrari [mailto
Hi Anselmo,
It would be of interest to know the diameter of the pinhole
for each and approximately how well they perform. Thanks.
Fritz
Date Height Temple City
=
1437 50 m Holy Sophie Istanbul
1468 90
What
is a good program to associate with a .ram file?
-Original Message-From: Andrew Pettit
[mailto:[EMAIL PROTECTED]Sent: Thursday, December
19, 2002 12:45 PMTo: sundial@rrz.uni-koeln.deSubject:
The Calendar
For those interested there was an enjoyable
programme on the
Hi
All,
I'm
deeply shocked and saddened by the news of Ron's sudden death. I wish
I
had
known earlier of his illness. I was fortunate to have gottento chum
around
with
him at a couple of conferences where I got to know him a little better.
He
wasjoyful, creative, engaging with
Hi all,
What am I missing here? It seems that rising and descending are
again quite positive/negative, spring/fallish. Whatever terms one
comes up with must be equal in that they have to represent the same
season to both sides; only at a different time. I know that the signs
of the zodiac are
Hi All,
This link did work and for those of us who need it in
English I found a link which translates the web pages
and all links adequately. I don't think it is the best
but it is free and works! Just copy the new web site:
www.dasypodius.com
and then paste it into this translator:
plans to join with anyone else looking to share.
Thanks,
Fritz Stumpges
[EMAIL PROTECTED]
-
Hi Tony!
Please copy me also, we must not have gotten your original offer;
and copy me on your thoughts on this reply system...not so loud
there are others in the office who may hear!
Fritz
-
Hi Peter,
I went to the Sky web page and to the Dec. 94 archives.
These must be the articles:
36. Telescope Making - A Precision Sundial of Bronze
By Charles F. Avila | December 1994, p. 88
Order Original Issue
37. Telescope Making - Just How Accurate Can a Sundial Be?
By
This topic got me wanting to get a piece of pipe and try it!
From my new Sky software, which I'm just getting to know,
I found that solstice is at about 11:22 on the 21st. I
then got the declinations on the day before and after at this
time. But the sun changes only 14 seconds(arc)/day. This
Hi Frenando, (and all)
Good luck in studying these kinds of relationships. It is only by looking
scientifically at phenomena, that we can see if there really are any
correlations. There are many scientific studies of astrology already, and I
believe they have been most negative, but that
Hi Bill and all,
3M makes a line of double sided adhesive tapes called VHB (for very high
bond strength) and they truly are high strength. We use them in our flow
meter instrument enclosures, which see at least that much temp, and we bond
aluminum to delrin, which is somewhat hard to stick to.
Hi All,
It seems that some states do not need Daylight Savings Time as much as some
of us. This is because of their natural location in the western portion of
their time zone. Arizona is in natural DST all of the year. Take Phoenix,
Longitude 112deg-03min W; it is less than 1/2 degree away
Hi All,
I even went to the manager of the MIS department and quarried him as to if
he had deleted my old e-address or was he monitoring my e-mails and time
spent, or did he place a block on the sundial list?!?!?!
Missing you all,
Fritz
!
It has still been a wonderful investment and learning experience, and I
would highly recommend one to all; I would emphasize, though, that I am just
a beginner and not an expert in this arena.
Fritz Stumpges
-Original Message-
To: all
Subject: Extra Moonsticks
David Higgon
London
Is it ammonia that silicone gives off when it is curing?
There are many types of silicones and each has its own curing by-products:
Many one part types give off acetic acid (Highly corrosive to sensitive
metals like copper). Some types give off both alcohol and ammonia! which it
sounds like
contact:
Fritz Stumpges
15027 Adams Dr.
Pauma Valley, CA
92061
760)736-6178
[EMAIL PROTECTED]
B.T. In case you missed it, the four hour show on Longitude will be shown
again on AE. 8 to 12 pm Tuesday July 11.
For other procrastinators like myself, my guide shows another full
length
AE showing Saturday, July 15 from 1 to 5PM. There are also several other
listings for 1Hr
Luke, I really liked your clear explanation, but I think you meant to say
the ANALEMMA has two components, the EOT and the declination. The EOT is
not dependent upon the obliquity; we would still have it even if the axis
were perpendicular to the ecliptic. Luckily, both independent components
Could someone please help direct me to more
information on the classification of sundials. I see that John Davis'
Glossary includes many definitions, but I was hoping to find one that was
organized more like a flow chart or genealogy chart. Hopefully it would
include basic types with lines
I'm still a little amazed at how well my first
pointer, for lack of a better name, worked! I was hoping to be
able to indicate the sun's location to within about 10 seconds (time) and
instead got lucky and obtained 6 second resolution. It is able to
comfortably indicate the sun's position
be a
great joy though, derived from fiction as it opens views of possibilities
and actual new realities in our apparently non-fiction lives.
Remember:
TIME is just God's way of keeping everything from happening all at once
and
DEATH is just nature's way of telling you to slow down.
Happy Holidays
Fritz
The best explanation I've heard of the
shortening of time as we age is this: When we are born, each moment is as
an eternity. In fact, those first moments are all that we have perceived
and know out of the womb. As time progresses, a whole year may be half of
our complete life, thus
Hi,
This is an interesting, simple and esthetically
pleasing dial. I may be off but follow this. Take off your belt and
give it a half twist. With one eye become the sun and look down at this polar
aligned belt, straight above it as if at an equinox. Now turn it until you
have the thinnest
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