
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
1668; 1924
1898
circa 1897
circa 1900
circa 1900
1830 (original); 1967 (model)
1839 (original); circa 1988 (replica)
1897
1897-1898
1899 - 1993
1898
1899
circa 1900
1900
1899
1955; 1830
1897
circa 1900
1900
1872 (original); 1909 (model)
1898
1899
1899
1899
1934
1898
1898-1899
1897
1898
2000-100 BCE
1898-1900
1900
1900
1900
1897
1899
1772 (original); 1919 (model)
1899
1900
1990-96
1705-1737
1899
1801-1892 (prepared); 1946 (element replaced)
1899
1898
1934
1898
1898
1775-1799 (original); 1900-1907 (model)
1897