
Compound monocular microscope
1870-1880
1870-1880
1790-1810
1700
1870-1888
1740
1730
1671-1700
1860-1865
1915-1920
1855
1785-1795
1863-1866
1953
1879
1935
1900-1910
1850-1855
1925-1935
1801-1900
1861
1895-1900
1905-1915
circa 1900
1870
1851-1900
1831-1870
1860-1870
1915-1925
circa 1900
1795-1810
circa 1900
1917
1880-1890
1890-1900
1865-1870
1840-1850
1915-1925
circa 1915
circa 1890
1950
1855-1865
1863-1866
1860
1845-1900
1863-1866
1917