Patent Model of a Printing Apparatus for the Blind

Description (Brief)
This patent model demonstrates an invention for producing embossed letters on paper for communication between blind people; the invention was granted patent number 62206. Raised letters on plungers on a disk above the table were matched with sunken letter plungers below it. The paper was squeezed between the two types of plungers by treadle force.
Location
Currently not on view
date made
ca 1867
patent date
1867-02-19
maker
Johnson, Daniel A.
Physical Description
metal (overall material)
wood (overall material)
Measurements
overall: 27 cm x 22 cm x 24 cm; 10 5/8 in x 8 11/16 in x 9 7/16 in
ID Number
GA.89797.062206
patent number
062206
accession number
089797
catalog number
GA*89797.062206
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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