Patent Model of a Type Mold

Description (Brief)
This patent model demonstrates an invention for a type mold which was granted patent number 450083. The patent details a mold for casting type with letters on both ends, or "duplex-lettered type." Such type was used in printing for the blind, though no particular application is specified for this patent.
Location
Currently not on view
date made
ca 1891
patent date
1891-04-07
maker
Mitchell, Thomas
Milne, John
Physical Description
metal (overall material)
paper (overall material)
Measurements
overall: 5 cm x 13 cm x 14.8 cm; 1 15/16 in x 5 1/8 in x 5 13/16 in
ID Number
GA.89797.450083
patent number
450083
accession number
089797
catalog number
GA*89797.450083
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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