Patent model, Gray induction telegraph, US Patent #76,748
date: label: Date made
content: 1868
name: label: maker
content: Gray, Elisha
notes: 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.308869
label: catalog number
content: 308869
label: accession number
content: 89797
label: patent number
content: 76748
objectType: label: Object Name
content: Telegraph Apparatus
physicalDescription: label: Measurements
content: overall: 2 in x 4 in x 6 in; 5.08 cm x 10.16 cm x 15.24 cm