Replica of the first Morse telegraph, 1835
1934
1934
1893-4
2000-100 BCE
1863-7
1843
1955; 1830
1990-96
1930 (replica); 1834 (original)
1705-1737
1870-1877
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
4000-2001 BCE
1888-185
1871-1830
1843
1843
1843
2000-1350
1883-01
1972-3
1945-50
1990-95
1870-10
30 CE
30 CE
3500-1000
1843
1843
2686-2613 BCE
1843
1851-1800
15/7/27
15/7/27
1856-01
1915-1825
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
100 BCE-300 CE; 1890-1920
2000-1350
1850-1350
2000-1350