Early Acousticon carbon granule aid, 1902
- Made:
- 1902
This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
License
Science Museum Group
© The Board of Trustees of the Science Museum
Early Acousticon carbon granule aid, with double microphone, 1902.
Details
- Category:
- Sound Reproduction
- Object Number:
- 1951-670
- type:
- grandule aid
- credit:
- Hearing Aid Manufacturers Association
