
Model of Leeuwenhoek's microscope
1901-1930
1901-1930
1919
1918
1915-1925
circa 1919
1903
1907
1918-1920
1916-1918
1905
1901-1920
1910-1920
1920-1929
1903
1915-1918
1920-1925
1896
1899-1919
1928
1901-1910
1921
1901-1930
1929
1909-1910
1801-1840 (original); 1901 (model)
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1913
1913
1924-1927
1897-1898
1900-1910
1920-1930
1890-1900
1915-1916
1830 (original); 1967 (model)
1907
1897
1952-3
1904
1895
1920
1910
1901
1928
circa 1910
1914-1920
circa 1900
1914-1918
1910