Gray bi-polar telephone
name: label: maker
content: Gray, Elisha
notes: label: Description (Brief)
content: Telephone transceiver, Elisha Gray. Bipolar Battery-B Telephone. Steel handle carries a rubber diaphragm case. Marked: "American Speaking Telephone Co. / Patents pending. / B / 242." Four cloth-insulated wires attached to plug sockets on telephone.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Delia Gray
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.214312
label: accession number
content: 38810
label: catalog number
content: 214312
objectType: label: Object Name
content: Telephone
label: Object Name
content: bi-polar telephone
physicalDescription: label: Measurements
content: overall: 6 in x 2 3/4 in x 2 3/4 in; 15.24 cm x 6.985 cm x 6.985 cm