Replica of the first Morse telegraph, 1835
1934
1934
1893-4
1860
1860
2000-100 BCE
1863-7
1955; 1830
1859
1860
1990-96
1860
c1860
1934
1930 (replica); 1834 (original)
after 1859
circa 1860
circa 1860
1860
1705-1737
1859
1870-1877
1860
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
4000-2001 BCE
circa 1860
1860
1888-185
1871-1830
1860
1860
1860
1860
1860
1860
1859
1859
2000-1350
1883-01
1860
1972-3
1945-50
1990-95
1870-10
30 CE
30 CE
1859; 1986
1859