Tungsten Filament Lamp
date: label: date made
content: ca 1943
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: GE Mazda C floodlamp, circa 1943. Steel medium-screw base with glass insulator. C-5BD tungsten filament with 5 upper, 4 lower support hooks set in a glass bead which is affixed to the press with a metal rod, crimp connectors, offset-dumet leads. Tipless G-shape envelope. Stamped: "Floodlight / Mazda / [GE logo] / 250W 120V / Burn Base Down to Horizontal". The steel base means that this lamp was produced during World War II. Restrictions on brass supplies meant that lamp makers used steel instead.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
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content: Energy & Power
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content: Electric Lamps
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320680
label: catalog number
content: 320680
label: accession number
content: 242716
objectType: label: Object Name
content: incandescent lamp
label: Other Terms
content: Lighting Devices; Edison; Coiled; Metal
physicalDescription: label: Measurements
content: overall: 12 cm x 8 cm; 4 23/32 in x 3 5/32 in