Piorry type monaural stethoscope

Piorry monaural stethoscope

Piorry monaural stethoscope, Italian, 1930-1840

Piorry monaural stethoscope

Piorry monaural stethoscope

Piorry monaural stethoscope

Piorry's monaural stethoscope and plessimeter

Piorry's monaural stethoscope, c.1840

Piorry monaural stethoscope, French, 1820-1830

Piorry monaural pleximeter (?), and stethoscope, E

Piorry monaural stethoscope and pleximeter (?), Eu

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