Patent Model of a Copying Press

Description (Brief)
This patent model demonstrates an invention for a copying press which was granted patent number 193346. The patent describes a letter-copying press in which the pressure was produced by inflating an air bag.
Location
Currently not on view
date made
ca 1877
patent date
1877-07-24
maker
Powlett, James A.
Physical Description
wood (overall material)
metal (part material)
leather (part material)
Measurements
overall: 6 cm x 17.8 cm x 25.3 cm; 2 3/8 in x 7 in x 9 15/16 in
ID Number
GA.89797.193346
patent number
193346
accession number
089797
catalog number
GA*89797.193346
See more items in
Culture and the Arts: Graphic Arts
Work
Industry & Manufacturing
Communications
Patent Models
Patent Models, Graphic Arts
Data Source
National Museum of American History, Kenneth E. Behring Center

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