Cammann binaural stethoscopes by Weiss London
A Cammann binaural antique stethoscope which divides into two pieces with a metal joint. Circa 1890 The silk covered tubing connects to a funnel shaped gutta percha chest piece. The nickel plated ear piece section is joined centrally and this provides its own tension mechanism. The white ear pieces are undamaged. This is 0ne of the later Cammann binaural stethoscopes.