Artifacts
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Artifact
Chronometers like this one by Parkinson & Frodsham were used on the U.S. Exploring Expedition (1838-1842).
Artifact
Mask, Oregon Territory
Artifact
The Motorola LGT 1000 was used for better accuracy by scientists.
Artifact
This mid-1950s era VOR receiver helped usher in a new era of all-weather navigation capability for light aircraft at moderate cost.
Artifact
Pipe, Oregon Territory
