
Laennec's stethoscope
1815-1825
1815-1825
1781-1790
1791
1795
1821
1794
1798
1797
1805
1800
1780
1783-1800
1812
1795
circa 1808
1785-1795
1785
1826
1808
1793-1803
circa 1805
1807
1782-1793
1785-1790
1784
1815
1784
1815
1795-1810
1863-7
1791
1808
1786
1800
1807
1787
1821
1790
1796
1794
1800
1800
1800
1795-1805
1807
1812
1792
1795
1800
1790