Patent model for Edison telegraph signal box, US Patent #146812
date: label: Date made
content: 1874
label: Date made
content: 1873
name: label: inventor
content: Edison, Thomas Alva
label: maker
content: Edison, Thomas Alva
notes: label: Description (Brief)
content: A model to accompany the application for US Patent #146812, "Telegraph Signal Box," issued 27 January 1874 to Thomas A. Edison. A wall-mounted clockwork mechanism set on a round iron base.
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.308876
label: catalog number
content: 308876
label: accession number
content: 89797
label: patent number
content: 146812
objectType: label: Object Name
content: Telegraph Signal Box
label: Object Name
content: telegraph call box
label: Object Name
content: call box
label: Other Terms
content: Telegraph Signal Box; telegraphy
physicalDescription: label: Measurements
content: overall: 7 3/4 in x 7 1/2 in x 6 in; 19.685 cm x 19.05 cm x 15.24 cm