Osram patent bayonet cap light bulb

Made:
circa 1913 in Germany
maker:
Osram
SMG00247990

SMG00247990
Science Museum Group
© The Board of Trustees of the Science Musuem

Osram patent bayonet cap light bulb, c. 1913

Details

Category:
Lighting
Object Number:
Y7000.1812
Measurements:
53 mm 35 mm,
type:
incandescent electric lamp with tungsten filament