The "Knox & Shain, Makers, Philad." inscription on this simple brass level is that of a mathematical instrument firm that began in business in 1850.

Date Made: 1850-1875

Maker: Knox & Shain

Location: Currently not on view

Place Made: United States: Pennsylvania, Philadelphia

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Data Source: National Museum of American History

Id Number: PH.317361Catalog Number: 317361Accession Number: 230277

Object Name: level

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 cmoverall: 4 7/8 in x 6 5/8 in x 1 in; 12.3825 cm x 16.8275 cm x 2.54 cm

Guid: http://n2t.net/ark:/65665/ng49ca746ad-4674-704b-e053-15f76fa0b4fa

Record Id: nmah_1393296

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.