Coherer with coarse brass turnings, 1894
1894
1894
2000-100 BCE
1896
1892
1893-4
1934
1895
1896
1896
1872 (original); 1909 (model)
1955; 1830
1895
1896
1892
1896
1891
1705-1737
1894
1934
1894
1894
1894
1893
1894
1930 (replica); 1834 (original)
1893
1896
1894
1772 (original); 1919 (model)
1895
1801-1840 (original); 1901 (model)
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1896
4000-2001 BCE
1990-96
1801-1892 (prepared); 1946 (element replaced)
1896
1894
February 1895
10000-5000 BCE
1895
1895
1910-130
1896
1894
1895
1891
1893
1895