Hi ChiLian,Thanks for your plot. Here's an picture of a very clever use of the cam by Mac Oglesby to adjust a vertical Foster-Lambert dial which appeared in the Compendium Vol 10, No. 4 in 2003.
best wishes, Peter On 22/06/2011 01:41, Chiu 邱,Chi lian wrote:
Hi, I figured out a way to plot EoT curve which I didn't see in sundial books I own. Diagram is enclosed here. For a better resolution one, see http://dl.dropbox.com/u/31382133/EoT%20.png Best regards, ChiLian 24.8N 121E --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
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<<attachment: Oglesby-Foster-Lambert cam.jpg>>
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