Western Electric type 122-A ballast lamp
date: label: date made
content: ca 1943
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin plastic base with tipless, T-shaped envelope. Stamped: "Western Electric / Made in U.S.A. / -122A-". Donor’s card reads: “Ballast lamp made by Western Electric for US government use during World War II. For use in telephone circuits. Rating: 1.65 to 2.15 amperes at 3 to 7.5 volts.”
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325222
label: catalog number
content: 325222
label: accession number
content: 252994
objectType: label: Object Name
content: Ballast
label: Object Name
content: resistance
label: Object Type
content: ballast
label: Other Terms
content: Ballast; Resistance
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 1 1/4 in; 9.525 cm x 3.175 cm