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
Object Name
patent model
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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