Bulletin. No. 25, Deafness / Clinical Department of The Vibrator Instrument Company.
- Date:
- 1904
Licence: Public Domain Mark
Credit: Bulletin. No. 25, Deafness / Clinical Department of The Vibrator Instrument Company. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/b20186551_0001.jp2/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Bulletin. No. 25, Deafness / Clinical Department of The Vibrator Instrument Company. Source: Wellcome Collection.