- Eli Thayer (1819-1899) graduated from Brown University; organized the Oread Institute, a school for young women in Worcester, Mass.; established the Emigrant Aid Society; served briefly as a member of the House of Representatives; and devised an instrument for determining the slope of a surface. This is the model he submitted with his patent application.
- Ref: Eli Thayer, "Improvement in Plane Angulometers," U.S. Patent 36,312 (Aug. 26, 1862).
- Currently not on view
- Object Name
- overall: 7 in x 6 in x 4 1/2 in; 17.78 cm x 15.24 cm x 11.43 cm
- overall: 6 7/8 in x 6 in x 4 1/2 in; 17.4625 cm x 15.24 cm x 11.43 cm
- ID Number
- catalog number
- accession number
- patent number
- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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