
Magneto-electrometer, 1857
1857
1857
1934
1858
1856-1857
1870-1877
4000-2001 BCE
1855
1856
1856
1860
1855
1830 (original); 1967 (model)
1855
circa 1860
1930 (replica); 1834 (original)
after 1859
circa 1860
1857
1668; 1924
1642-1649 (original); 1883 (model)
1859
after 1857
1854-1857
2050-1750 BCE
1990-95
1857
1834-1836
1610; 1923
700 BCE; 1931
6000-5000BCE
1960-1979
1600-1500 BCE (original); 1900-1914 (copy)
1860s
1979-80
1857
circa 1855
1857
1858
circa 1860
1860
1857
circa 1860
1855
1857
1857
circa 1855
1857
circa 1858
circa 1860
1857