A 19th-Century fruitwood monaural stethoscope,
A 19th-Century fruitwood monaural stethoscope,

細節
A 19th-Century fruitwood monaural stethoscope,
inscribed W.B. 1899 -- 7in. (17.8cm.) long; and a rosewood monaural stethoscope with detachable plate -- 7in. (17.8cm.) long

See Illustration
(2)