
Wooden model of a mercury compensated pendulum
1829
1829
1857
1831-1859
1828-1857
1832
1850
1865-1870
1828
1828
1825-1860
1900-1933
1950-1977 (model); 1836 (original)
1834-1849
1879
1976; 1776
1872
1838-1840
1880
1862
1836-1861
1860-1870
1875-1877
1866-1876
1874-1879
1858
1866-1867
1835
400 BCE-100 CE; 1900-1936
100 BCE-100 CE; 1900-1936
1825-1850
1851-1860
1860
1880
1876
1853
1872
1850
1850
1848
1872
1830-1870
1840
1851-1880
1866-1867
1859
1833
1878-1880
1857
2000-1350
1880