
Mirror galvanometer for the transatlantic telegraph, 1858
1858
1858
1801-1840 (original); 1901 (model)
2000-100 BCE
1856
1955; 1830
1857
1858
1858
1856
1858
1893-4
1934
1857-1858
1857-1858
1857-1858
1863-7
1858-03-02
1857
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1856
1772 (original); 1919 (model)
4000-2001 BCE
before 1857
1857
1990-96
1830 (original); 1967 (model)
1858
1930 (replica); 1834 (original)
1705-1737
1858
1858
1856
1857
1934
1858
1856-1857
1870-1877
1990-95
1610; 1923
1642-1649 (original); 1883 (model)
1960-1979
1668; 1924
1857
1856
1856
1856
1856
1858
1883-01