Patent Model of a Metallograph, or Embossing Pen for Autographic Printing

Description (Brief)
This patent model demonstrates an invention for a metallograph, and was granted patent number 215792. With this tool, a writer could turn a sheet of metal into a printing plate as he wrote 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.
Location
Currently not on view
Object Name
machine, metal embossing
Date made
ca 1879
patent date
1879-05-27
patentee
Setchell, George C.
maker
Carey, Augustus C.
Carey, George R.
Physical Description
metal (overall material)
Measurements
overall: 19.3 cm x 7 cm x 14 cm; 7 5/8 in x 2 3/4 in x 5 1/2 in
ID Number
1996.0062.04
catalog number
1996.0062.04
patent number
215792
accession number
1996.0062
subject
Work
Industry & Manufacturing
Communications
Patent Models, Graphic Arts
Patent Models
See more items in
Culture and the Arts: Graphic Arts
Patent Models
Patent Models, Graphic Arts
Data Source
National Museum of American History, Kenneth E. Behring Center

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