View Single Post
Old 08-16-2002, 03:32 PM   #10
MaggieL
in the Hour of Scampering
 
Join Date: Jan 2001
Location: Jeffersonville PA (15 mi NW of Philadelphia)
Posts: 4,060
Re: Re: Re: 8/12/2002: Digital sundial

Quote:
Originally posted by russotto
Two minute precision. If it doesn't correct for true solar v. mean solar, the accuracy is much less than that.
Point well taken.

Another digital sundial...

http://www.deutsches-museum.de/ausst...s/e_sonne1.htm

I don't think these use either polarized light or holography, I might be mistaken.
__________________
"Neither can his Mind be thought to be in Tune,whose words do jarre; nor his reason In frame, whose sentence is preposterous..."


Last edited by MaggieL; 08-16-2002 at 03:34 PM.
MaggieL is offline   Reply With Quote