Smithsonian Institute - On Time
http://americanhistory.si.edu/ontime/History of the clock and how Americans have measured time and been affected by it.
Submitted in section: Time: Clocks and Watches: Smithsonian Institute - On Time
History of the clock and how Americans have measured time and been affected by it.
Submitted in section: Time: Clocks and Watches: Smithsonian Institute - On Time