
Horizontal microscope by Laurent
1831-1870
1831-1870
1890-1911
1850-1917
1914-1918
1914-1918
1914-1918
1914-1918
1914-1918
1914-1918
1914-1918
1914-1918
1914-1918
1914-1918
1954
1852
1783
1899
circa 1910s
circa 1900s
ca. 1910s
1910-1912
1400-1600
1892
1904
1977
1850-1900
1840-1890
1750-1850
1871
1950-1955
1914-1918
1801-1830
1904
patented 1885
1830-1870
1852
1852
1852
1908
circa 1930