Tungstram Turndown electric lightbulb

Made:
1930 in Hungary
Tungstram Turndown lightbulb with switch cap, c. 1930

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Tungstram Turndown lightbulb with switch cap, c. 1930
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Tungstram Turndown lightbulb with switch cap, c. 1930

Details

Category:
Lighting
Object Number:
YL1974.2.3
Measurements:
102 mm x 217 mm, 55 mm,
type:
incandescent electric lamp with tungsten filament
credit:
Smith, Mr Brian