Thanks, that answers my question.

In a message dated 12/12/00 10:40:34 AM Eastern Standard Time, 
[EMAIL PROTECTED] writes:

<< Troy,
 
 In issue 5-1 of the NASS Compendium there is an article by Yvone Masse
 about such a dial.  The dial face is a straight line with hour marks.
 The gnomon is a string (or movable rod) that is attached to a pole at
 one end,  The other end is set to a point on a figure 8 according to the
 date thus giving the correction for the EOT.
 
 ++ron >>

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