Telescope by Galileo (replica)
1610; 1923
1610; 1923
1775-1799 (original); 1900-1907 (model)
1990-96
1772 (original); 1919 (model)
1705-1737
2000-100 BCE
4000-2001 BCE
1955; 1830
1893-4
1668; 1924
1990-95
1830 (original); 1967 (model)
1936
300 BCE; 1905-1915
1600-1500 BCE (original); 1900-1914 (copy)
1960-1979
2050-1750 BCE
1580-1588; 1930
100-1 BCE; 1501-1600; 1914
1730-1760 (original); 1931-1939 (replica)
1976; 1776
1910-1921
8500-2000 BCE
2000-1001 BCE
1991-1783 BCE
1701-1800; 1982
700 BCE; 1931
circa 3000 BCE
1824 (original); 1891 (model)
1894 (apparatus); 1742 (date of experiment)
10000-5001 BCE
2000-100 BCE
1920-1923; 1963
8500-2000 BCE
1501-1600; 1972
1931; 750-850 CE
1901-1936; 180 BCE
2800 BCE
1975-1978
1988 (model); 1752 (original)
3000-2500 BCE
1-79 CE; before 1914
2050-1750 BCE
2000-100 BCE
1929 (copy); 1702-1714 (original)
2500 BCE
1977; 1204-1206
1915
2000-1350 BCE
digital copy 2015; original [1803?-1809].