![](https://coimages.sciencemuseumgroup.org.uk/34/791/large_thumbnail_1934_0544.jpg)
Replica of the first Morse telegraph, 1835
1934
1934
2000-100 BCE
1904
1904
1904
1872 (original); 1909 (model)
1955; 1830
1904
1990-96
1930 (replica); 1834 (original)
1801-1892 (prepared); 1946 (element replaced)
4000-2001 BCE
1934
1839 (original); circa 1988 (replica)
1705-1737
1904
1903 (original); 1982 (model)
1772 (original); 1919 (model)
1830 (original); 1967 (model)
18 Janury 1948
1953-4
1904
1825; 1910
1970-1900
1904
1904
1904
1970-1875
1904
30 CE
30 CE
1904
2686-2613 BCE
1859; 1986
1945-50
1904
1370-1350 BCE; 1931
1931; 250 BCE
1370-1350 BCE; 1931
1904
2000-1000
1908-1900
1950-1900
1972-3
2500 BCE
1971-1900
1990-95
1904
circa 3000 BCE
2000 BCE