Patent model for printers' quoins

Patent model for printers' quoins

Description (Brief)
This patent model demonstrates an invention for quoins whose two sides were opened or closed by wedges governed by a central double-threaded screw; the invention was granted patent number 139351.
Location
Currently not on view
date made
ca 1873
patent date
1873-05-27
maker
Ames, Chauncey W.
Sprague, E. H.
Physical Description
metal (overall material)
wood (overall material)
Measurements
overall: 1.7 cm x 8 cm x 1.5 cm; 11/16 in x 3 1/8 in x 9/16 in
ID Number
1996.0062.01
patent number
139351
accession number
1996.0062
catalog number
1996.0062.01
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

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