Category: Stethoscope
Estimated Date: 1890
Name: Amplifone Stethoscope

Description: 2.5” circular diaphragm like main piece made of white metal and gutta percha. A small probe extends from the center of the piece and two side arms are also present Connects to soft rubber tubing. Resembles the Biazzi Bianchi scope in some respects. Pat date on back reads Mar 28, 1887. Bell is detachable.

Reference 1: 39