Gray bi-polar telephone
name: label: maker
content: Gray, Elisha
notes: label: Description (Brief)
content: Telephone Receiver, Elisha Gray, Oberlin number: 114-1-D-5. Marked: "Elisha Gray / Chicago, U.S.A / X 18". Twin diaphragms between poles of electromagnet, metal horn, cloth-insulated wire.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Oberlin College, Dept. of Physics, thru David L. Anderson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324133
label: accession number
content: 253039
label: catalog number
content: 324133
objectType: label: Object Name
content: Telephone Receiver
physicalDescription: label: Measurements
content: overall: 5 in x 3 1/2 in x 3 in; 12.7 cm x 8.89 cm x 7.62 cm