[time-nuts] Railroad clock

Joseph Gray jgray at zianet.com
Thu Jun 9 16:09:40 UTC 2011


I don't know if anyone has seen this yet, but the show "History
Detectives" had an interesting episode about a railroad regulator
clock.

http://video.pbs.org/video/1579336059

Joe Gray
W5JG



More information about the time-nuts mailing list