Category: Stethoscope
Estimated Date: 1897
Name: Stethoscope, Biazzi-Bianchi
Manufacturer: Bowles

Description: 2.4” x 0.75” diaphragm type scope. The diaphragm has a second attachment with a 2” long rod ending in a gutta percha cover, which can be used to localize sound. The tubes are rubber and connect to hard rubber ear pieces. One metal connector to the main piece is missing. The whole is contained in a metal box.

Reference 1: 259