Possibly related method??
https://www.youtube.com/watch?v=ETz0elhKvkM
Dave
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Dan-George Uza
Sent: Friday, February 24, 2017 2:51 AM
To: sundial@uni-koeln.de
Subject: A different sort of timekeeping
Dear group,
Here's
Dear group,
Here's an interesting trivia from a German book written by Helga Pohl: "Wenn
dein Schatten sechzehn Fuss misst, Berenike" (1955).
While talking about ancient Chinese timekeeping, she mentions that they
used water clocks and the shadows of the edges of their homes to tell
approximate
