Telescope by Galileo (replica)
1610; 1923
1610; 1923
1801-1840 (original); 1901 (model)
1705-1737
1868
1870-1877
1893-4
1888
1938; (1838)
2000-100 BCE
1934
circa 1868
circa 1868
1955; 1830
1834-1836
4000-2001 BCE
1839 (original); circa 1988 (replica)
1990-96
1934
1930 (replica); 1834 (original)
1930 (replica); 1834 (original)
1868
1869
1869
1869
1772 (original); 1919 (model)
1775-1799 (original); 1900-1907 (model)
1668; 1924
1642-1649 (original); 1883 (model)
1925; 1862
1868
1830 (original); 1967 (model)
1936
300 BCE; 1905-1915
1960-1979
1869
2050-1750 BCE
1580-1588; 1930
circa 1868
100-1 BCE; 1501-1600; 1914
circa 1868
circa 1868
1910-1921
1868
2000-1001 BCE
1701-1800; 1982
700 BCE; 1931
1894 (apparatus); 1742 (date of experiment)
2000-100 BCE
1920-1923; 1963
1931; 750-850 CE