Bell Labs type 175HQ deep-sea telephone repeater tube
date: label: date made
content: 1956
name: label: maker
content: Bell Telephone Laboratories. Murray Hill Laboratory
notes: label: Description (Brief)
content: A telephone amplifier tube for underwater cables. Double-ended cylindrical envelope with ceramic bases at each end, 5 leads emerge from one end, 1 lead from the other. Used on the Newfoundland-Scotland link.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Bell Telephone Laboratories
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315082.60
label: catalog number
content: 315082.60
label: accession number
content: 215003
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 13/16 in x 1 1/4 in; 9.7155 cm x 3.175 cm