Dear Karlheinz,
I am very interested on the subject "fist sundials with the gnomons parallel
to the polar axis" and for this reason I ask you where I can find other
information on this matter or also some photo of the Roman sundials of
this kind.
Thanks you very much
Gianni Ferrari
>-- M
From the figures in the Metrologia article, about half of the effect is
due to tidal I would think a manua
At 22:28 7/13/05, Thaddeus Weakley wrote:
If there was a table or formulaic way of predicting the growing time
decrepancy over years, decades, etc. then correction for the proper
fracti