![](https://coimages.sciencemuseumgroup.org.uk/242/509/large_thumbnail_1876_0041__0001_.jpg)
Thomson's mirror marine galvanometer, 1858
1858
1858
1863-7
1858
2000-100 BCE
1858
1893-4
1955; 1830
1934
1858
1858-03-02
1858
1705-1737
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1775-1799 (original); 1900-1907 (model)
1858
1930 (replica); 1834 (original)
1986 (replica); 1501-1600 (original)
1858
1870-1877
1934
4000-2001 BCE
1830 (original); 1967 (model)
1990-96
1888-185
1890-1810
1860-1820
1858
1878-1839
1871-1830
1860-1715
1858
1858
1991-1783 BCE
August 1858
circa 1858
1832-1850
2000-1350
1883-01
1972-3
1870-1800
1945-50
3000 BCE
1858
1858
1858
1990-95
1858
1864-05
1774; 1923