Object Details
- Description
- Patent model for John McConnell, “Key for Extracting Teeth,” U.S. Patent 1,327 (September 20, 1839). Mc Connell lived in Philadelphia.
- Location
- Currently not on view
- Data Source
- National Museum of American History
- Measurements
- overall: 1 1/8 in x 5 1/2 in x 3 3/4 in; 2.8575 cm x 13.97 cm x 9.525 cm
- Object Name
- extraction key, tooth, patent model
- dental instrument
- Other Terms
- Dentistry
