Early binaural stethoscope
1861-1866
Binaural stethoscope
1871-1950
Monaural stethoscope and percussor
1846-1855
Portable monaural stethoscope
1890
Binaural stethoscope
Binaural stethoscope
Ward Cousin's monaural stethoscope
1855-1910
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
Fergusson's monaural stethoscope
1831-1877
Fergusson's monaural stethoscope
1831-1877
Monaural stethoscope
Monaural stethoscope ear-plate
Billing monaural stethoscope
Wooden monaural stethoscope
1840-1900
Monaural stethoscope
King's monaural stethoscope
Fergusson's monaural stethoscope
Monaural stethoscope
Teske's binaural stethoscope
Fergusson's monaural stethoscope
Monaural stethoscope
1851-1910
Robert's monaural stethoscope
1850-1860
Stem from monaural stethoscope
1801-1910
Monaural stethoscope(?)
Quains monaural stethoscope, English, 1851-1898
1851-1898
Fergusson's or Stokes's monaural stethoscope
1870
Quain's monaural stethoscope, c.1860, English
1860
Piorry's monaural stethoscope
1830-1840
Burrow's monaural stethoscope
Piorry's monaural stethoscope and plessimeter
1830-1840
Monaural stethoscope
1850-1860
Burrow's monaural stethoscope
1801-1905
Monaural stethoscope
1831-1900
Monaural stethoscope
1830
Monaural stethoscope
1830
Fergusson's monaural stethoscope
1831-1877
Piorry's monaural stethoscope, c.1840
Fergusson/Stokes monaural stethoscope
1871-1880
Binaural stethoscope
1910
Monaural stethoscope
1801-1900
Monaural stethoscope
1880-1890
Modification of Billing's monaural stethoscope
1850
Monaural stethoscope
1801-1900
