Patent model for printers' quoins

Patent model for printers' quoins

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Description (Brief)
This patent model demonstrates an invention for a screw quoin, adjustable with any common wrench; the invention was granted patent number 167780.
Location
Currently not on view
Object Name
manufacture, printers quoins
patent model
Object Type
Patent Model
date made
ca 1875
patent date
1875-09-14
maker
O'Shea, Andrew Jackson
Physical Description
metal (overall material)
Measurements
overall: 1.5 cm x 4 cm x 3.5 cm; 9/16 in x 1 9/16 in x 1 3/8 in
ID Number
1996.0062.13
patent number
167780
accession number
1996.0062
catalog number
1996.0062.13
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Work and Industry: Graphic Arts
Patent Models, Graphic Arts
Work
Communications
Industry & Manufacturing
Patent Models
Data Source
National Museum of American History
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