Patent model for Edison telephonic telegraph, US Patent #198087
date: label: Date made
content: 1877
name: label: associated person
content: Edison, Thomas Alva
label: maker
content: Edison, Thomas Alva
notes: label: Description (Brief)
content: Model to accompany the application for US Patent #198087,."Telephonic Telegraph," issued 11 December 1877 to Thomas A. Edison. A light walnut base on which is mounted electrical components to demonstrate a circuit arrangement. Some components are actual parts, others are wooden mockups. Brass tag: "Edison".
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.252617
label: catalog number
content: 252617
label: accession number
content: 49064
label: patent number
content: 198087
objectType: label: Object Name
content: Telephonic Telegraph Apparatus
label: Object Name
content: harmonic telegraph
label: Other Terms
content: Telephonic Telegraph Apparatus; Telephones
physicalDescription: label: Measurements
content: overall: 4 5/8 in x 12 in x 10 3/4 in; 11.75004 cm x 30.48 cm x 27.305 cm