patent model, grindstone frame

Date Made: 1879Patent Date: 1879-01-07

Inventor: Hoppen, Joseph E.

Location: Currently not on view

Place Made: United States: New YorkAssociated Place: United States: New Jersey, Newark

See more items in: Work and Industry: Mechanical and Civil Engineering


Exhibition Location:

Data Source: National Museum of American History

Id Number: MC.308826Catalog Number: 308826Patent Number: 211,096Accession Number: 89797

Object Name: patent model, grindstone frame

Measurements: overall: 6 in x 13 3/8 in x 4 1/2 in; 15.24 cm x 33.9725 cm x 11.43 cm


Record Id: nmah_845661

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