Electrical head lamp

Electrical head lamp, like earphones, patent no

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Electrical head lamp, like earphones, patent no
Science Museum Group
© The Board of Trustees of the Science Museum

Electrical head lamp, like earphones, patent no.18673, English(?), 1901-1930

Details

Category:
Surgery
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A680702
Materials:
metal, vulcanite and rubber, ? material
type:
head lamps