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细节
A collection of four monaural stethoscopes,
one with detachable ebonised end piece, with rubber cushion ring -- 7¼in. (18.4cm.) long; and three other fruitwood stethoscopes (one defective)
See Illustration (4)
one with detachable ebonised end piece, with rubber cushion ring -- 7¼in. (18.4cm.) long; and three other fruitwood stethoscopes (one defective)
See Illustration (4)