Patent model for stamp cancelling machine
date: label: date made
content: ca 1879
label: date made
content: ca 1879
name: label: maker
content: Leavitt, Thomas
notes: label: Description (Brief)
content: 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.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Graphic Arts
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content: Patent Models, Graphic Arts
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content: Communications
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content: Work
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content: Industry & Manufacturing
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content: Patent Models
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1997.0198.04
label: catalog number
content: 1997.0198.04
label: accession number
content: 1997.0198
objectType: label: Object Name
content: patent model
label: Object Type
content: Patent Model
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: 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