Engineer's Bubble Level

Engineer's Bubble Level

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Description
The "Knox & Shain, Makers, Philad." inscription on this simple brass level is that of a mathematical instrument firm that began in business in 1850.
Location
Currently not on view
Object Name
level
date made
1850-1875
maker
Knox & Shain
place made
United States: Pennsylvania, Philadelphia
Measurements
overall: 4 3/4 in x 6 5/8 in x 3/4 in; 12.065 cm x 16.8275 cm x 1.905 cm
overall: 4 7/8 in x 6 5/8 in x 1 in; 12.3825 cm x 16.8275 cm x 2.54 cm
ID Number
PH.317361
catalog number
317361
accession number
230277
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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