Hi Alexei, For an even larger and still accurate vertical dial, see: http://www.uwrf.edu/sundial/
Regards, Frans ------------------------------------- Date sent: Tue, 07 Aug 2001 18:56:40 +0200 To: "Sundial mailing list" <[email protected]> From: "alexei.pace" <[EMAIL PROTECTED]> Subject: large sundial > Hi all > > I would like to know what problems may be anticipated in the construction > of a large (4m x 4m) vertical sundial ? I believe any errors in the > calculation of the wall's declination will be magnified by having a large > dial? would it be wise thus to use analemmas to derive the civil time/ ? > > Is a normal triangular gnomon good? In this case it has to project around > 60cm out from a limestone wall. > > > thanks for your input > > Alexei > ===================================== Frans W. Maes Peize, The Netherlands 53.1 N, 6.5 E www.biol.rug.nl/maes/sundials/ =====================================
