Estimated Date: 1901
Name: Stethoscope, Bowles
Manufacturer: GP Pilling and Son
Description: There is a protective metal plate over the bakelite chest piece, which is 1.75” dia. Reads this cover to be taken off before using stethoscope.This is very unusual because there is a 1 1/8” raised circular portion to the head. The connector is a single arm.
Reference 1: 39