Artifacts
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Artifact
In the 1990s, the NIST-7 was the most accurate clock in the country and helped keep the GPS clocks synchronized.
Artifact
Octant marked: "Andrew Newell / Maker / Boston," about 1800
Artifact
Lindbergh relied on this type of compass in the Spirit of St. Louis to maintain course on the way to Paris until it malfunctioned.
Artifact
The certification set for the first-general aviation LORAN-C receiver.
Artifact
Joseph Guenther used a Defense Advanced GPS Receiver (DAGR) to direct artillery fire.