Replica of the first Morse telegraph, 1835
1934
1934
1845
1845
1845
1893-4
1846
2000-100 BCE
1846
1863-7
1955; 1830
1990-96
1846
1934
1845
1930 (replica); 1834 (original)
circa 1846
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
1846
1888-185
1871-1830
2000-1350
1883-01
1972-3
1945-50
1990-95
1845
1870-10
30 CE
30 CE
1845
1845
3500-1000
1845
1846
2686-2613 BCE
1845
1846
1846
1846
1845
1846
circa 1845
1851-1800
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