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patent model, gauge, diameter

patent model, gauge, diameter

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Location
Currently not on view
Object Name
patent model, gauge, diameter
date made
1876
patent date
1876-09-05
inventor
Williams, Richard D.
associated place
United States: Maryland, Baltimore
Measurements
overall: 5 7/8 in x 6 1/8 in x 3/8 in; 14.9225 cm x 15.5575 cm x.9525 cm
ID Number
MC.308941
catalog number
308941
patent number
181,809
accession number
89797
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Work and Industry: Mechanical and Civil Engineering
Data Source
National Museum of American History
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