Replica of the first Morse telegraph, 1835
1934
1934
2000-100 BCE
1955; 1830
1990-96
1930 (replica); 1834 (original)
1934
1839 (original); circa 1988 (replica)
1801-1892 (prepared); 1946 (element replaced)
4000-2001 BCE
1830 (original); 1967 (model)
1970-1900
1970-1875
30 CE
30 CE
2686-2613 BCE
1859; 1986
1945-50
1370-1350 BCE; 1931
1931; 250 BCE
1370-1350 BCE; 1931
2000-1000
1972-3
2500 BCE
1971-1900
1990-95
circa 3000 BCE
2000 BCE
1951-1900
1965-1900
15/7/27
15/7/27
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 2000 BCE
700-100 BCE; 1930-1950
1888; 1984
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
30-200
2000-1350