All,
I have attached the source code to draw the NASS logo in DeltaCad. It has
some interesting subroutines:
. routines that do trig functions in degrees rather than radians.
. modified DeVires' fomula to use degrees rather than radians.
. Uses some of Fred Saywer's formulas to draw lines
Hello all,
I wondered if anyone could offer some insight on the design
and accuracy of those portable altitude dials that work by casting the
shadow of a perpedicular pin onto a vertical surface; similar in principle to
the capuchin dial, but with the date or zodiacal scale at the suspension
Here's an opportunity to design a BIG
sundial.
The south wall of the building where I work is a
blank concrete wall eight stories tall and almost 2/3 of an acre (107 feeet high
by 300 feet long). I've always thought it should be put to some good
use. Now the US Department of Energy and t
A good source is:Sawai Jai Singh and His
Astronomy, by Virendra Nath Sharma, 1995, MotilalBanarsidass Publishers,
Delhi, ISBN 81-208-1256-xAt the time it was published, Sharma was professor
of physics and astronomyat the University of Wisconsin
Centers.
