Ear-piece from binaural stethoscope

Made:
1861-1930
Ear-piece from binaural stethoscope, English(?), 1861-1930

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Ear-piece from binaural stethoscope, English(?), 1861-1930
Science Museum Group
© The Board of Trustees of the Science Museum

Ear-piece from binaural stethoscope, English(?), 1861-1930