Patent Model of a Printing Apparatus for the Blind
date: label: date made
content: ca 1867
label: patent date
content: 1867-02-19
name: label: maker
content: Johnson, Daniel A.
notes: label: Description (Brief)
content: 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.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Graphic Arts
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content: Patent Models, Graphic Arts
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content: Work
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content: Communications
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content: Industry & Manufacturing
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content: Patent Models
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: GA.89797.062206
label: patent number
content: 062206
label: accession number
content: 089797
label: catalog number
content: GA*89797.062206
objectType: label: Object Name
content: apparatus, printing for the blind
label: Object Type
content: Patent Model
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: wood (overall material)
label: Measurements
content: overall: 27 cm x 22 cm x 24 cm; 10 5/8 in x 8 11/16 in x 9 7/16 in