Although astrolabes are not sundials in the strictest sense, many sundial
enthusiasts are also interested in astrolabes. I just wanted to let anyone
who is interested know that I have just made a fully animated planetarium
program in the form of a planispheric astrolabe available for free downloa
John,
Yes, NASA did use such a device on the moon - at least that's my
understanding of how it worked. When I saw that item back in the '70s I
wrote to N. Armstrong about it and he was kind enough to send me a response
along with a small amount of info on the device. At the moment I can't
find
Sundial List members,
My thanks to all those who have helped me with the question, "Why is an
analemmatic dial called an analemmatic dial?"
Mac Oglesby
John,
NG Jun 1976
jorge
Greetings,
Here is a mystery that has puzzled me for many years. Perhaps one of you can
enlighten me, and the rest of the list.
At the height of the US space program, the National Geographic published a
photo of someone on the moon. In the photo was a tripod-mounted device which
the caption desc
Fernando,
A slightly facetious answer:
Change the date and location to the desired day and place in your GPS, and
use the built-in sunrise / sunset calculator!
Yes, I know, it doesn't really help, but it certainly can check your answer.
Plus it is great when doing field work and trying to figur
Dear Ben (and a cast of thousands)
I can probably help you find the address of Sundials Australia. it will take
me a few days or so, but I will get back to you all on it. I actually have a
copy (in Sydney, 3000 km away!) and I have corresponded with the Foulkards
who run the organisation. I am VE
