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Sender:
Maps and Air Photo Systems Forum <[log in to unmask]>
Subject:
Re: analemma, first use <fwd>
From:
Johnnie Sutherland <[log in to unmask]>
Date:
Mon, 1 Jul 2002 10:46:56 -0400
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"When was the analemma first used? "

It was apparently invented in the early 4th century BC by the Greek
mathematician/astronomer Eudoxus. The later great Greek astronomers
Hipparchus and Ptolemy wrote on its use.

There's no history (that I noticed) but a nice web site on the analemma is,
would you believe, www.analemma.com .

Frank Reed
HistoricalAtlas.com
Chicago, IL

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