The PBS show "The History Detectives" just ran a piece on a nineteenth century, mercury pendulum, regulator clock.
I think the show is on the PBS web site. Best, -John ============ _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
