Holder, made of phenol formaldehyde for electric light bulb

Holder, made of phenol formaldehyde for electric light bulb

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Holder, made of phenol formaldehyde for electric light bulb
Science Museum Group
© The Board of Trustees of the Science Museum

Holder, made of phenol formaldehyde for electric light bulb, with the name "Sperryn" and "Made in England" on circular base, 1920-1940

Details

Category:
Plastics and Modern Materials
Object Number:
2005-301
Materials:
phenol formaldehyde (unspecified) and copper (metal)
Measurements:
1.7717 x 1.1811 in.; 45 x 30 mm
type:
electric light bulb holder
credit:
Frangenberg, Tomas