Hearing aid with phenolic brown battery box and earpiece
- Made:
- 1929
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LicenseHearing aid with phenolic brown battery box and earpiece
Science Museum Group
© The Board of Trustees of the Science Museum
Hearing aid with phenolic brown battery box and earpiece, black phenolic control unit, flat cirular amplifier with imitation tortoiseshell celluloid case and metal clip pocket attachment, ear piece has tortoiseshell celluloid ear plug and metal hook for hanging over the ear, brown cloth-covered flex, made in England, c. 1929
