Replica of the first Morse telegraph, 1835
1934
1934
1955; 1830
1893-4
2000-100 BCE
1775-1799 (original); 1900-1907 (model)
1990-96
1934
1772 (original); 1919 (model)
1930 (replica); 1834 (original)
1801-1840 (original); 1901 (model)
1705-1737
4000-2001 BCE
1830 (original); 1967 (model)
1910-130
1965-195
1901-950
30
2000-100 BCE
1883-01
1610; 1923
1950-159
1793-1803; 1925
1825; 1910
1773 (original); 1980s
2000-500 BCE
2000-500 BCE
8500-2000 BCE
2000-500 BCE
1991-1786 BCE
1991-1786 BCE
2000-500 BCE
1501-1600; 1978
1795-1805
30 CE
30 CE
2686-2613 BCE
1888-185
1945-50
1730-1760 (original); 1931-1939 (replica)
1824 (original); 1891 (model)
1890-1810
20-400
1900-1933
1950-1977 (model); 1836 (original)
1976; 1776
1913; circa 900 CE
400 BCE-100 CE; 1900-1936
100 BCE-100 CE; 1900-1936
2000-1350
100 BCE-100 CE; 1900-1936