patent model, harrow, spring tooth

patent model, harrow, spring tooth

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Location
Currently not on view
Object Name
patent model, harrow, spring tooth
patent date
1881-05-10
inventor
Nellis, Aaron I.
associated place
United States: Pennsylvania, Pittsburgh
Measurements
overall: 10 in x 12 in; 25.4 cm x 30.48 cm
ID Number
AG.241402
catalog number
241402
accession number
089797
patent number
241,402
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Work and Industry: Agriculture
Data Source
National Museum of American History
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