A beechwood foetal stethoscope, 19th Century, 6¾inhigh; and an ebony monaural stethoscope with detachable earpiece, 19th Century - 5¾in.high (2)

細節
A beechwood foetal stethoscope, 19th Century, 6¾inhigh; and an ebony monaural stethoscope with detachable earpiece, 19th Century - 5¾in.high (2)