Control knob

Made:
1901-1930
Control knob, red plastic with brass screw mount

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Control knob, red plastic with brass screw mount
Science Museum Group
© The Board of Trustees of the Science Museum

Control knob, red plastic with brass screw mount, probably English, 1901-1930

Details

Category:
Therapeutics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A621804
Materials:
plastic and brass
type:
control knobs