mercury/tungsten light bulb

Made:
circa 1970 in England
SMG00246518

SMG00246518
Science Museum Group
© The Board of Trustees of the Science Musuem

Thorn Electrical Industries Ltd mercury/tungsten light bulb, c. 1970

Details

Category:
Lighting
Object Number:
Y7000.2813
Measurements:
170 mm 70 mm,
type:
mercury vapour electric lamp