Telescope by Galileo (replica)
1610; 1923
1610; 1923
1834-1836
1839 (original); circa 1988 (replica)
1775-1799 (original); 1900-1907 (model)
1990-96
1772 (original); 1919 (model)
1934
1705-1737
2000-100 BCE
4000-2001 BCE
1955; 1830
1893-4
1938; (1838)
1930 (replica); 1834 (original)
1930 (replica); 1834 (original)
1668; 1924
1642-1649 (original); 1883 (model)
1990-95
1830 (original); 1967 (model)
1936
300 BCE; 1905-1915
1600-1500 BCE (original); 1900-1914 (copy)
1960-1979
6000-5000BCE
1798 (original); 1977 (model)
1580-1588; 1930
2050-1750 BCE
100-1 BCE; 1501-1600; 1914
1730-1760 (original); 1931-1939 (replica)
1976; 1776
1910-1921
1701-1800
8500-2000 BCE
2000-1001 BCE
1991-1783 BCE
1777 (original); 1894 (model)
1701-1800; 1982
circa 3000 BCE
700 BCE; 1931
1824 (original); 1891 (model)
1894 (apparatus); 1742 (date of experiment)
10000-5001 BCE
2000-100 BCE
1920-1923; 1963
1975-1978
2800 BCE
8500-2000 BCE
1501-1600; 1972
1931; 750-850 CE
1901-1936; 180 BCE