Demonstration microscope
1863-1870
Demonstration microscope by Tolles
1850-1880
Demonstration microscope by R. & J. Beck
1871-1880
Demonstration microscope by Murray and Heath
1875-1900
Small demonstration microscope, French, 1851-1900
1851-1900
Demonstration microscope in Beck style
1870-1880
Demonstration microscope in case
1871-1900
Demonstration microscope
1860-1880
Demonstration microscope by James How
1831-1870
Demonstration microscope in mahogany case
1871-1900
Demonstration microscope by Acme Optical Works
1873-1900
Demonstration microscope by E. Leitz
1881-1900
Demonstration microscope by E. Lutz of Boulivard Saint-Germain
1871-1890
Demonstration microscope
1875-1900
Demonstration microscope with wooden handle
1869-1872
Demonstration microscope with box stand
1850-1870
Demonstration microscope, French, mid 19th century
1831-1870
Demonstration microscope
1871-1900
Demonstration microscope by Nachet
1871-1880
Binocular microscope with wood case instead of stand
1871-1900
Microscope with disc of twelve stage positions
1850-1870