vacuum lamp

Made:
circa 1918 in England
SMG00248047

SMG00248047
Science Museum Group
© The Board of Trustees of the Science Musuem

General Electric Co Ltd Osram D-50-40w vacuum lamp, c. 1918

Details

Category:
Lighting
Object Number:
Y7000.1411
Measurements:
125 mm 63 mm,
type:
incandescent electric lamp with tungsten filament