Object Details
- Location
- Currently not on view
- Data Source
- National Museum of American History
- inventor
- Freeman, George
- date made
- 1860
- patent date
- 1860-09-11
- Measurements
- overall: 3 7/8 in x .875 x .875; 9.8425 cm cm cm
- Object Name
- patent model, screw, wood
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