pole-changer for telephone ringer
date: label: Date made
content: 1885-03-20
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Tufts University, Departments of Electrical Engineering and Physics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.328042
label: catalog number
content: 328042
label: accession number
content: 270107
label: collector/donor number
content: x
objectType: label: Object Name
content: Pole Changer for Telephone Ringer
label: Object Name
content: telephone pole changer
label: Object Name
content: telephone relay
label: Other Terms
content: Pole Changer for Telephone Ringer; Telephones
physicalDescription: label: Measurements
content: overall: 4 in x 7 in x 6 in; 10.16 cm x 17.78 cm x 15.24 cm