![](https://coimages.sciencemuseumgroup.org.uk/504/363/medium_thumbnail_smg00307340.jpg)
![Telescopic hearing trumpet, brass with black finish, by Dowling](https://coimages.sciencemuseumgroup.org.uk/504/298/medium_smg00307244.jpg)
Telescopic ear trumpet hearing aid, brass with black finish, by R. J. Dowling, London, 1901-1950.
Details
- Category:
- Audiology
- Object Number:
- 1988-566
- Materials:
- brass
- type:
- hearing aid
- credit:
- Farnborough Hospital
Telescopic ear trumpet hearing aid, brass with black finish, by R. J. Dowling, London, 1901-1950.