Patent model for ithographic printing process
date: label: Date made
content: Patent Date 1880
label: Date made
content: 1880
label: Date made
content: ca 1880
label: date made
content: ca 1880
label: patent date
content: 1880-05-18
name: label: maker
content: Hoen, August
notes: label: Description (Brief)
content: Patent model for lithographic printing process, assigned patent number 227782. The surface of the lithographic stone was ruled and etched to form a pattern of minute regular pyramids, the points of which would print as dots. Then points were lowered according to the design, more lowering making wider dots and a darker printed tone.
setName: label: See more items in
content: Work and Industry: Graphic Arts
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content: Work
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content: Communications
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content: Industry & Manufacturing
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: GA.89797.227782
label: catalog number
content: GA*89797.227782
label: patent number
content: 227782
objectType: label: Object Name
content: patent model
label: Object Name
content: press, printing
label: Object Name
content: Machine, Printing Press?
label: Other Terms
content: Machine, Printing Press?; Relief
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 12 in x 8 in x 8 in; 30.48 cm x 20.32 cm x 20.32 cm