Telescope by Galileo (replica)
1610; 1923
1610; 1923
1917
1834-1836
1839 (original); circa 1988 (replica)
1930 (replica); 1834 (original)
1923-07
1990-96
1772 (original); 1919 (model)
1917-1918
1934
1917-1918
1930 (replica); 1834 (original)
4000-2001 BCE
2000-100 BCE
1918
1934
1917
1917
1918
1918
1918
1952-3
c1918
1917
1668; 1924
1990-95
1925; 1862
1903 (original); 1982 (model)
1917-1918
1955; 1830
1936
1917-07
6000-5000BCE
1960-1979
1879 (1956)
1917
1917
1580-1588; 1930
1917
1917
2050-1750 BCE
1888; 1984
1976; 1776
1917
1917
1962-05
1730-1760 (original); 1931-1939 (replica)
8500-2000 BCE
1917-1918
circa 1917