Engineer's Bubble Level
Engineer's Bubble Level
- 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
Nominate this object for photography.
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.
If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.