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History of Science Museum

Osram 205V/30W Incandescent Lamp, by GEC Ltd., Early 20th Century

Inventory Number 82087


Acknowledgement: © History of Science Museum, University of Oxford, inv.82087

Item type
Object
Makers
Osram
Provenance
Pres. by Dr. Sheila Bradbury
Physical material
Glass
Copper Alloy
Metal
Object type
Lamp
Dimensions
Diameter: 60mm Height: 127mm Weight: 44g
Inventory No
82087
Accession Number
1980-9

Description

Osram incandescent lightbulb with copper alloy bayonet fitting. Filament has nine wires connected to a central glass pillar. "205 V 30 W 49 / OSRAM / MADE IN ENGLAND / G. E.C. LTD / PATENT" printed on the bulb. "80-9 / ? carbon filament" handwritten in black ink on the other side of the bulb.