U.S. Naval Observatory Quartz Clock

The introduction of quartz clocks at the U.S. Naval Observatory in Washington, D.C., in 1935 marked a major improvement in timekeeping. This clock was used at the observatory to provide radio time signals to ships and aircraft.

Caption:
Used to provide radio time signals to ships and aircraft.
Type: Artifact
Image Date: 2012
Credit: National Museum of American History, Smithsonian Institution
Origin: National Museum of American History, Smithsonian Institution
Creator: Jaclyn Nash
JN2013-1409
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Used to provide radio time signals to ships and aircraft.