Hi Mac, Chicago, 19-21 August 2005, NASS conference. Roger
>Hi Roger, >Are you going to leave us dangling, or are you willing to tell us how >Zarbula found SH with a stick, some string and the Sun? >Best wishes, >Mac >Roger Bailey wrote: (snip) >Similarly you can calculate the Sub-style Height, the angle of the gnomon to >the wall, as Sin SH = Cos Dec x Cos Lat. But this is not how Zarbula did it. >He only had available a stick, some string and the sun. I will leave that as >a homework exercise. >- -
