Tungsten Filament Lamp
Tungsten Filament Lamp
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- Description (Brief)
- 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.
- Location
- Currently not on view
- Object Name
- incandescent lamp
- Other Terms
- Lighting Devices; Edison; Coiled; Metal
- date made
- ca 1943
- maker
- General Electric Company
- Measurements
- overall: 12 cm x 8 cm; 4 23/32 in x 3 5/32 in
- ID Number
- EM.320680
- catalog number
- 320680
- accession number
- 242716
- See more items in
- Work and Industry: Electricity
- Energy & Power
- Electric Lamps
- Data Source
- National Museum of American History
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