Conversation tube hearing aid

Made:
1900-1950
Conversation tube, plastic with metal tube covered in fabric

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Conversation tube, plastic with metal tube covered in fabric
Science Museum Group
© The Board of Trustees of the Science Museum

Conversation tube hearing aid, plastic or vulcanite with metal tube covered in fabric, 1900-1950.

Details

Category:
Audiology
Object Number:
1988-564
Materials:
metal and plastic
type:
conversation tube
credit:
Farnborough Hospital