Binaural stethoscope
1871-1950
Early binaural stethoscope
1861-1866
Monaural stethoscope and percussor
1846-1855
Monaural stethoscope
Monaural stethoscope ear-plate
Billing monaural stethoscope
Wooden monaural stethoscope
1840-1900
Monaural stethoscope
King's monaural stethoscope
Monaural stethoscope
Fergusson's monaural stethoscope
Teske's binaural stethoscope
Fergusson's monaural stethoscope
Monaural stethoscope(?)
Burrow's monaural stethoscope
Piorry's monaural stethoscope and plessimeter
1830-1840
Piorry's monaural stethoscope, c.1840
Fergusson/Stokes monaural stethoscope
1871-1880
Binaural stethoscope
1910
Monaural stethoscope
1871-1890
Monaural stethoscope
Billing monaural stethoscope
Billing monaural stethoscopes
Piorry monaural pleximeter (?), and stethoscope, E
Portable monaural stethoscope
1870
Laennec monaural stethoscope
Monaural stethoscope
Copy of Laennec monaural stethoscope
Monaural stethoscope
1830-1850
Portable monaural stethoscope
1890
Binaural stethoscope
Binaural stethoscope
Binaural stethoscope
1910-1940
Binaural stethoscope
1891-1940
Monaural stethoscope
1850
Fergusson's monaural stethoscope
Piorry monaural stethoscope, French, 1820-1830
Stethoscope, 20th century.
1931-1970
Stethoscope, 20th century.
1931-1970
Binaural Stethoscope, English, 1880-1910
1880-1910
Ward Cousin's monaural stethoscope
1855-1910
Binaural stethoscope
1901-1925
Barron's monaural stethoscope
Monaural stethoscope
1851-1910
Monaural stethoscope
1831-1900
Fergusson's monaural stethoscope
1851-1877
Monaural stethoscope
1801-1900
Fergusson's monaural stethoscope
1831-1877
Fergusson's monaural stethoscope
Turned wood monaural stethoscope
1890-1930