Replica of the first Morse telegraph, 1835
1934
1934
1832
1837
1893-4
1834
1834
1834
1829
1837
1837
1837
1837
1835
1836
2000-100 BCE
1863-7
1833
1837
1838
1831
1955; 1830
1835
circa 1832
1837
1831
1838
1990-96
1835
1835
1830
1833
1830
1930 (replica); 1834 (original)
1838
1829
1832
1830-1835
1838
1837
1705-1737
1838
1828
1870-1877
1837
1832
1772 (original); 1919 (model)
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1829
1829