Wye Level

Wye Level

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This level, with a "STACKPOLE & BROTHER, NEW YORK 1490" inscription, probably dates from the early 1870s when the firm was making various instruments for the expeditions that would view the 1874 transit of Venus.
Currently not on view
Object Name
surveyor's level
date made
ca 1873
Stackpole and Brother
place made
United States: New York, New York City
overall: 9 5/8 in x 5 5/8 in x 15 9/16 in; 24.4475 cm x 14.2875 cm x 39.52875 cm
overall: 9 1/2 in x 5 7/8 in x 15 5/8 in; 24.13 cm x 14.9225 cm x 39.6875 cm
ID Number
maker number
catalog number
accession number
Credit Line
U.S. Department of Defense, U.S. Naval Observatory
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Medicine and Science: Physical Sciences
Measuring & Mapping
Surveying and Geodesy
Data Source
National Museum of American History
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