Conversation tube hearing aid

Conversation tube, plastic with metal tube covered in fabric

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

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