At 10:25 AM -0800 3/4/10, Brooke Clarke wrote:
Hi Tom:
In the last slide you show a sand timer. Do you have accuracy data for it?
Wouldn't that depend on the consistency with which the human flips
the hour glass? They don't flip themselves, you know.
--
--David Forbes, Tucson, AZ
http://www.cathodecorner.com/
_______________________________________________
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
