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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