Patent model for stamp cancelling machine

Description (Brief)
This patent model demonstrates an invention for a tool for turning a sheet of metal into a printing plate while writing on it. The air-powered writing instrument made a series of sharp blows to the metal, knocking out projections on the back of the sheet. The projections formed a facsimile of the writing in reverse and in relief for printing at a type press. Maker, patent number, and date are unknown.
Location
Currently not on view
date made
ca 1870
maker
unknown
Physical Description
metal (overall material)
Measurements
overall: 9 1/4 in x 13 1/2 in x 14 1/4 in; 23.495 cm x 34.29 cm x 36.195 cm
ID Number
1997.0198.04
catalog number
1997.0198.04
accession number
1997.0198
See more items in
Culture and the Arts: Graphic Arts
Industry & Manufacturing
Work
Communications
Patent Models
Patent Models, Graphic Arts
Data Source
National Museum of American History, Kenneth E. Behring Center

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