
Telegraph block instrument, South Eastern Railway
circa 1905
circa 1905
1904
1904
1872 (original); 1909 (model)
1905
1955; 1830
2000-100 BCE
1904
1934
1801-1892 (prepared); 1946 (element replaced)
1904
1905
1839 (original); circa 1988 (replica)
1930 (replica); 1834 (original)
1905
1905
1705-1737
1990-96
1772 (original); 1919 (model)
1904
1903 (original); 1982 (model)
4000-2001 BCE
1830 (original); 1967 (model)
1905
1934
2500 BCE
1905
circa 1905
c.1904
1902; 1913-1920
1905
circa 3000 BCE
2000-1350
1370-1350 BCE; 1931
1904
1940-03
1933-05
1939-02
1963-01
1969-03
1969-05
1947-04
1940-01
1946-01
1947-05
1960-01
1951-03
1934-02
1940-01
1940-02