Artificial Horizon

Artificial Horizon

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This artificial horizon has a rectangular wooden base, and glass and iron roof. The "USCGS #47" inscription on the box dates from after 1877 when the U.S. Coast Survey became the U.S. Coast and Geodetic Survey.
Currently not on view
Object Name
artificial horizon
overall: 4 in x 6 3/8 in x 4 1/4 in; 10.16 cm x 16.2052 cm x 10.795 cm
overall: 5 7/8 in x 7 1/2 in x 6 3/4 in; 14.9225 cm x 19.05 cm x 17.145 cm
ID Number
catalog number
accession number
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Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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