Stethoscope, Erka sensitive dual membrane | Science Museum Group Collection
ERKA Stethoscopes — Stark Medical Pty Ltd
THE ORiGiNAl
Medelita - Meet ERKA Sensitive: handmade in Germany since 1889, this chrome-polished stethoscope model features dual diaphragm acoustics to maximize sound transmission quality and minimize external noise for the examination of heart,