Telescope by Galileo (replica)
1610; 1923
1610; 1923
1735-1745
1990-96
1705-1737
2000-100 BCE
4000-2001 BCE
1745
1745
1742
1740
1739
1860-1920
1742
1742
1738
1668; 1924
1642-1649 (original); 1883 (model)
1990-95
1936
300 BCE; 1905-1915
circa 1740
1600-1500 BCE (original); 1900-1914 (copy)
1960-1979
2050-1750 BCE
1580-1588; 1930
1740
100-1 BCE; 1501-1600; 1914
1740
1910-1921
8500-2000 BCE
1739
2000-1001 BCE
1738
1991-1783 BCE
700 BCE; 1931
circa 3000 BCE
1894 (apparatus); 1742 (date of experiment)
1744
1066; 1876
10000-5001 BCE
2000-100 BCE
1920-1923; 1963
8500-2000 BCE
1501-1600; 1972
1744
1931; 750-850 CE
1901-1936; 180 BCE
2800 BCE
1740
3000-2500 BCE