Robertson screw cap bulb

Made:
circa 1935 in England
SMG00246493

SMG00246493
Science Museum Group
© The Board of Trustees of the Science Musuem

General Electric Co. Ltd Robertson screw cap bulb, c. 1935

Details

Category:
Lighting
Object Number:
Y7000.2515
Measurements:
136 mm 88 mm,
type:
incandescent electric lamp with carbon filament