Binaural stethoscope
1871-1950
Early binaural stethoscope
1861-1866
Monaural stethoscope and percussor
1846-1855
Binaural Stethoscope, English, 1880-1910
1880-1910
Binaural stethoscope
1851-1950
Williams monaural stethoscope, english, 1850-1879
Monaural stethoscope
1801-1900
Laennec monaural stethoscope, European, 1801-1826
Wooden monaural stethoscope
1840-1900
A wooden monaural stethoscope, 1890-1930
1890-1930
Laennec stethoscope
Binaural stethoscope
1910-1940
Binaural stethoscope
William's monaural stethoscope
1855-1865
Laennec monaural stethoscope, European, 1801-1850
Ferguson monaural stethoscope
1920-1950
Monaural stethoscope
1830
Monaural stethoscope
1871-1890
Wooden Laennec stethoscope
1865-1895
Crude copy of Laennec monaural stethoscope (roll of paper)
Binaural stethoscope
Laennec monaural stethoscope
Binaural stethoscope
1910-1950
Fergusson's monaural stethoscope
Monaural stethoscope
1840-1850
Binaural stethoscope
1891-1940
Lloyd-Roberts portable monaural stethoscope
1880-1890
Burrow's monaural stethoscope
1801-1905
Stethoscope, 20th century.
1931-1970
Binaural stethoscope
Stethoscope, 20th century.
1931-1970
Fergusson's monaural stethoscope
1831-1877
Robert's monaural stethoscope
1850-1860
Binaural stethoscope
Barron's monaural stethoscope
King's monaural stethoscope
Monaural stethoscope(?)
Ear-piece from binaural stethoscope
1851-1940
Chest piece from binaural stethoscope
1851-1920
Chest piece from Bock's quantitative binaural differential stethoscope
1901-1916
Portable monaural stethoscope, European, 1880-1900
1880-1900
Monaural stethoscope
1801-1900
Ear-piece binaural stethoscope
1851-1950
Monaural stethoscope ear-plate
Monaural stethoscope
Monaural stethoscope
1830-1850
Monaural stethoscope
1830
Wormull's monaural stethoscope
Burrow's monaural stethoscope
1851-1910
Ear piece from Haydn Brown's binaural stethoscope
1871-1930