Patent model for autographic printing

Description (Brief)
This patent model demonstrates an invention for a method of making printed copies from handwriting on paper. Sulphate of iron was added to ordinary writing ink. The completed writing was pressed onto a plate coated with sensitized gelatine, which received the image in a form that could be printed like a lithograph. The invention was granted patent number 223873. The patent model consists of a coated plate with an image. Both coating and image have deteriorated badly.
Location
Currently not on view
Object Name
process, autographic printing
date made
ca 1880
patent date
1880-01-27
maker
Bardwell, John Jex
Physical Description
metal (overall material)
Measurements
overall: 1 cm x 16.3 cm x 27 cm; 3/8 in x 6 7/16 in x 10 5/8 in
ID Number
GA*89797.223873
accession number
089797
patent number
223873
catalog number
GA*89797.223873
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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