Category: Stethoscope
Estimated Date: 1900
Name: Stethoscope, Traubes
Manufacturer: Kny Scheerer ?

Description: 6 5/8 long with 1 7/8 earpiece and 1 3/16 chest piece. The wide tube is 5 /16 and the narrow tube is 1/4. The whole being telescoping. It is made of nickle plated brass. There is a mark under the chest piece which resembles the G cleft key, possibly Kny Scheerer but more likely another mnfr.

Reference 1: 33