Patent Model for a Machine for Smoothing the Sides of Type

Description (Brief)
This patent model demonstrates an invention for a machine to smooth the sides of type; the invention was granted patent number 631. In the inventor's opinion, this foot-driven machine allowed the operator to rub around sixty thousand types in a day, in conditions of less "unhealthiness" than the usual. The model is missing its treadle.
Currently not on view
Object Name
machine, type smoothing
date made
ca 1838
patent date
Bruce, Jr., David
Physical Description
metal (overall material)
wood (overall material)
overall: 49.5 cm x 22.7 cm x 34 cm; 19 1/2 in x 8 15/16 in x 13 3/8 in
ID Number
patent number
accession number
catalog number
Industry & Manufacturing
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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