Bell Labs type 455A deep-sea telephone repeater tube
date: label: date made
content: ca 1964
name: label: maker
content: Bell Telephone Laboratories. Murray Hill Laboratory
notes: label: Description (Brief)
content: Single-ended tube, ceramic base, tipped T-shaped glass envelope. Seven leads emerge from base. "2014 / 5230" etched on grid shield. Successor to type 175-HQ. Reference: https://www.radiomuseum.org/tubes/tube_455a.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Hallam E. Mendenhall
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1988.0695.37
label: catalog number
content: 1988.0695.37
label: accession number
content: 1988.0695
objectType: label: Object Name
content: Vacuum Tube/Repeater
label: Object Name
content: pentode
physicalDescription: label: Physical Description
content: manufactured (overall style)
label: Physical Description
content: molded (overall production method/technique)
label: Measurements
content: overall: 3 in x 1 in; 7.62 cm x 2.54 cm