
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
1668; 1924
1839 (original); circa 1988 (replica)
1954
(1962); 1982
1986
1930 (replica); 1834 (original)
circa 1900
1610; 1923
2016
1730-1760 (original); 1931-1939 (replica)
1980
1980-1983
1870-1876
1870-1876
1870
1889
1833
2013
1295-1305 (originally)
1877 (copy); 1700-1731 (original)
1760-1784
circa 1983
1851-1930
1850-1920
1850-1920
1880-1920
1870-1920
200 BCE-400 CE
1871-1910
1910-1920
1910-1920
1910-1920