Send reply to: "Fritz Stumpges" <fritz_stumpges@...> From: "Fritz Stumpges" <fritzs@...> To: "Sundial...
Frans W. MAES
F.W.Maes@...
Apr 1, 2000 11:48 am
4086
... a ... file? Hi John and all other dialists In the current version (1.5.4) of Shadows, you can print the whole sundial full sized on paper and you have some...
François BLATEYRON
frb@...
Apr 1, 2000 5:53 pm
4087
Hello Esteemed Dialists, Can anyone refer me to sources that discuss the observatories of Jaih Singh II? I'm particularly interested to know if the...
robert langston
langstonrob@...
Apr 1, 2000 11:40 pm
4088
... Dear Robert, G.R. Kaye published a very extensive study of the observatories in 1918: _The Astronomical Observatories of Jai Singh_ (Calcutta: ...
Peter Mayer
peter.mayer@...
Apr 2, 2000 11:45 am
4089
... Dear Robert, In addition to G.R. Kaye's classic work on the observatory of Jaih Singh II mentioned by Peter Mayer, there is also a more recent study by ...
R.H. van Gent
r.h.vangent@...
Apr 2, 2000 2:24 pm
4090
Dear all, My apologies, "Virendra Nath Sarma" should be "Virendra Nath Sharma". ================================================================ * Robert H....
R.H. van Gent
r.h.vangent@...
Apr 2, 2000 3:03 pm
4091
We are just back home from a wonderful weekend in Cirencester. Our thanks go to the BSS Council who organised it for us. It was great to meet so many old...
Mike Cowham
mike@...
Apr 2, 2000 5:27 pm
4092
Dear Frans, I visited your website yesterday and think it is great. Really nice images! With respect to the question of classification of sundials raised by...
Sara Schechner
sschechn@...
Apr 2, 2000 6:08 pm
4093
Sara, I have taken your classification and restructured it into a language called Backus-Naur that is used to describe languages, descriptions, sentences, etc....
Ron Anthony
unique14@...
Apr 3, 2000 2:30 am
4094
One of the great things about this list is the opportunity it affords to admit when you (me) are mistaken. I have played around with a shadow sharpener, and...
BillGottesman@...
Apr 11, 2000 3:50 am
4095
... I think it was my query which gave rise to your gently-dismissive 'this is the Holy Grail of Sundialling' comment but that is adequately recompensed by...
Tony Moss
tony@...
Apr 11, 2000 9:46 am
4096
that is called convincing evidence. The only thing what is till missing is a picture of the result with and without. ... sharp, ... Thibaud Taudin-Chabot ...
T.& M. Taudin-Chabot
tchabot@...
Apr 11, 2000 3:14 pm
4097
Hi Bill and others: When I was designing a shadow sharpener for the alidade of my equatorial heliochronometer I did over thirthy experiments using different...
John Carmichael
pappas@...
Apr 11, 2000 4:31 pm
4098
... His paper on the theory of diffraction ultimately won first prize and the title Memoire Courronne, but not before it had provided the basis for a rather...
Gordon Uber
gordon@...
Apr 11, 2000 5:44 pm
4099
Richard: Do you think I might be confusing the wave amplitude with the wavelength? Is'nt the wavelength about 1 cm? John...
John Carmichael
pappas@...
Apr 11, 2000 5:47 pm
4100
Hi John, I wrote 2 small DOS-programs which convert dxf-files to hpgl-files and hpgl-files to dxf-files. It worked for my sundial-constructions ok. But I also...
Sonderegger
esonderegger@...
Apr 11, 2000 8:32 pm
4101
Thank you to Bill Gottesman for the shadow sharpener diagram for an annulus. I have been comparing a standard nodus (pinhole aperture) with an annulus on my...
Larry Bohlayer
Bohlayer_L@...
Apr 11, 2000 9:08 pm
4102
I put together a sheet of various-sized annular shadow casters, and posted it in GIF format to (one of) my archive sites. (The other is too damned busy to let...
Dave Bell
dbell@...
Apr 11, 2000 9:47 pm
4103
Wow, Ron, I'm impressed by this language stuff! Let me play around with it for a few days and see how it works. Patrick, You asked whether I have tried to...
Sara Schechner
sschechn@...
Apr 12, 2000 2:23 am
4104
Dear Warren, I was wondering if you have taught a unit on sundials. I am interested to know if you are using Illinois State Standards for a guidline. I imagine...
robert langston
langstonrob@...
Apr 12, 2000 2:30 am
4105
Dear Dialists- My apologies for inadvertently sending out a message intended to be private. Robert ... Robert Langston Chair, Visual Arts Morgan Park Academy ...
robert langston
langstonrob@...
Apr 12, 2000 2:30 am
4106
Hi Ron (or anybody else who might know): I did some checking with a local print shop to see if they would be able to print large blueline copys of sundials...
John Carmichael
pappas@...
Apr 12, 2000 2:31 am
4107
Hi Bill, I don't really know, but I would think that the zero level is chosen so that the total area of the EQT curve above the line matches that below the ...
Hank de Wit
H.deWit@...
Apr 12, 2000 2:42 am
4108
4/3/00 Does anyone know why the equation of time is indexed to zero on 9/1, 12/25, etc.? That is to say, when the clock was originally being indexed to the...
BillGottesman@...
Apr 12, 2000 3:34 am
4109
Hi Roger: Sounds like you have done a great deal of work preparing your paper on the Chichen-Itza pyrimid shadows. I look forward to your presentation. Since...
John Carmichael
pappas@...
Apr 12, 2000 3:42 am
4110
it is simple arithmetic: our watch shows mean time, so the mean of the correction should be 0, otherwise your watch is fast or slow after a year. ... sun ... ...
T.& M. Taudin-Chabot
tchabot@...
Apr 12, 2000 6:43 am
4111
Thibaud Taudin-Chabot wrote "it is simple arithmetic: our watch shows mean time, so the mean of the correction should be 0, otherwise your watch is fast or...
Andrew James
Andrew.James@...
Apr 12, 2000 6:52 am
4112
Hi Bill, If you mean to ask why the EoT was made to be zero at a given set of dates, I think the answer is that it wasn't. One can't arbitrarily make the EoT...
Luke Coletti
luke@...
Apr 12, 2000 7:04 am
4113
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...
Fritz Stumpges
fritzs@...
Apr 12, 2000 7:24 am
4114
Hi Fritz, The analemma is in essence just a graph of the EoT vs Declination, in discussing the components of the EoT the analemma need not be mentioned, the...
