A circa 1880 telescopic monaural stethoscope by Quain.
The gutta percha stethoscope unscrews into two sections and the bell end can be inverteted and screwed back to secure it in a collapsed form for easy portability.
- From the Phisick collection
A circa 1880 telescopic monaural stethoscope by Quain.
The gutta percha stethoscope unscrews into two sections and the bell end can be inverteted and screwed back to secure it in a collapsed form for easy portability.