Category: Stethoscope
Estimated Date: 1900
Name: Sthethoscope
Manufacturer: Sharp and Smith
Description: Resembles Teskes head. 2.25” diaphragm with V connector arising from top. There is a metal plate, which can be removed or cover. The thermoplastic diaphragm has a 1/2 “x 1/2” circular elevation to localize sounds.
Reference 1: 28