Receiving ‘jigger’ used by the Marconi Company, 1899
1899
1899
1899
1898
1898
1899
1899
1934
1898
2000-100 BCE
1898
1899
1898
1872 (original); 1909 (model)
1955; 1830
1898-1899
1899
1775-1799 (original); 1900-1907 (model)
1990-96
1899
1898
1934
1801-1892 (prepared); 1946 (element replaced)
1705-1737
1898
1899
1898
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
4000-2001 BCE
1830 (original); 1967 (model)
1930 (replica); 1834 (original)
1899
1898
1899
1898
1898
1899
1730; 1967
1972-3
1899
2500 BCE
1898
1915-1825
1990-95
1898
1901-950
1898
1800-1830
1801-1850
1800-1830