Description: A phonendoscope was one of the primary designs of a binaural stethoscope which consisted of the typical chest and earpieces while missing the solid-structured design.
Origin: Circa 1894; United States
Phonendoscope
Description: A phonendoscope was one of the primary designs of a binaural stethoscope which consisted of the typical chest and earpieces while missing the solid-structured design.
Origin: Circa 1894; United States
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