Lens set in small brass tube, with fob for watch chain
1871-1900
Camera lucida of Wollaston type
1801-1830
Application electrode head (spherical)
1900-1910
Two microscope objectives in cannisters
1871-1900
Glass sphere in vertical collar allowing rotation
1851-1900
Illuminator for plankton
1871-1900
Oil immersion objective by Leitz
1871-1920
Jewel microscope by Gaudin of Paris, 1840-1850
1840-1850
Constant Temperature Cauldron, European, 1850-1940
1850-1940
1/12 inch objective lens;Ross;English; mid 19th century
1831-1870
Flea microscope, Islamic, 19th century
1801-1900
Watson Holos paraboloid system, c. 1930
1921-1950
1/4 inch objective in cannister
1871-1900
Prism for binocular microscope
1870-1880
Parabolic condenser, English, 1850-1900
1851-1900
Immersion objective in cannister
1880-1900
Convex lenses and tube for eyepiece
1801-1870
Dark ground stage by C. Reichert of Vienna
1901-1930
Purse, brass fittings and green marbled Parkesine
1860
Prism for binocular microscope by Powell and Lealand
1851-1900
Superstage condenser for drum
1780-1840
Application electrode, European, 1900-1910
1900-1910
Ophthalmoscope by Gardner
1850-1910
Four kymograph or more probably polygraph/sphygmograph records
1890-1910
Live box with curved discs mid 19th century
1831-1870
Triple button objective and nose piece in cannister for Carpenter style set
1825-1850
Special objective, 20th century
1901-1970
Zencer's immersion objective; boxwood case; English;1850-1900
Small hand microscope in case
1831-1870
Replica of magnifier with pin to hold specimen
1870-1890
Application electrode handle, European, 1900-1910
1900-1910
Combination objective
1830-1850
Microscope substage condenser with aperture discs
1851-1900
Concave lens in mounting, English, 19th century
1801-1900
Application electrode, European, 1900-1910
1900-1910
Application electrode, European, 1900-1910
1900-1910