![](https://coimages.sciencemuseumgroup.org.uk/34/791/large_thumbnail_1934_0544.jpg)
Replica of the first Morse telegraph, 1835
1934
1934
1872 (original); 1909 (model)
2000-100 BCE
1893-4
1888
1955; 1830
1990-96
1930 (replica); 1834 (original)
1705-1737
1934
1888
1839 (original); circa 1988 (replica)
1775-1799 (original); 1900-1907 (model)
1772 (original); 1919 (model)
4000-2001 BCE
1830 (original); 1967 (model)
1801-1840 (original); 1901 (model)
1888
1887
1888
1887
1888
1888
1825; 1910
1888
1887
1887
1888
1888
1888
1970-1875
30 CE
30 CE
2686-2613 BCE
1887
1888 (design date)
1859; 1986
1888
1888-185
1945-50
1887
1887
1888
1888
1888
1888
circa 1888
1888
1887
1370-1350 BCE; 1931