Sieray tungsten element lightbulb

Made:
1935 in England
SMG00247994 Siemens Bros & Co Ltd Sieray tungsten element lightbulb, c

SMG00247994
Science Museum Group
© The Board of Trustees of the Science Musuem

Siemens Bros & Co Ltd Sieray tungsten element lightbulb, c. 1935

Details

Category:
Lighting
Object Number:
Y7000.1378
Measurements:
282 mm, 74 mm,
type:
incandescent electric lamp with tungsten filament