
Cammann type binaural stethoscope
1845-1855
1845-1855
1801-1900
1554
1869
1829
1822
1849
circa 1900
1675-1679
1858
1853-1857
1780
1801-1830
1884-1900
1801-1900
1501-1800
1847-1848
c.1912
circa 1915
1821
1879-1896
1775
circa 1842
1913
1550-1800
1829
1501-1700
1801
1800-1899
1501-1700
1888
1870-1888
1880-1900
before 1889
1801-1830
1854
1870-1910
1901
1837
1794
1860
1842
1895
1870-1880
1842
1845-1855
1832
1845
1910
circa 1750