1/4 inch objective in cannister
1871-1900
Immersion objective in cannister
1880-1900
Camera lucida of Wollaston type
1801-1830
Prism for binocular microscope
1870-1880
Zencer's immersion objective; boxwood case; English;1850-1900
Superstage condenser for drum
1780-1840
Prism for binocular microscope by Powell and Lealand
1851-1900
Parabolic condenser, English, 1850-1900
1851-1900
Replica of magnifier with pin to hold specimen
1870-1890
Application electrode head (spherical)
1900-1910
Oil immersion objective by Leitz
1871-1920
Two microscope objectives in cannisters
1871-1900
Jewel microscope by Gaudin of Paris, 1840-1850
1840-1850
Small hand microscope in case
1831-1870
Glass sphere in vertical collar allowing rotation
1851-1900
1/12 inch objective lens;Ross;English; mid 19th century
1831-1870
Combination objective
1830-1850
Special objective, 20th century
1901-1970
Watson Holos paraboloid system, c. 1930
1921-1950
Illuminator for plankton
1871-1900
Flea microscope, Islamic, 19th century
1801-1900
Four kymograph or more probably polygraph/sphygmograph records
1890-1910
Ophthalmoscope by Gardner
1850-1910
Application electrode handle, European, 1900-1910
1900-1910
Dark ground stage by C. Reichert of Vienna
1901-1930
Application electrode, European, 1900-1910
1900-1910
Convex lenses and tube for eyepiece
1801-1870
Microscope substage condenser with aperture discs
1851-1900
Live box with curved discs mid 19th century
1831-1870
Lens set in small brass tube, with fob for watch chain
1871-1900
Triple button objective and nose piece in cannister for Carpenter style set
1825-1850
Concave lens in mounting, English, 19th century
1801-1900
Analyser, long tube with cross hairs and scale in degrees
Condenser, substage, with aperture disc and iris diaphragm
Condenser, substage
Condenser, darkground, with centring screws
Eyepiece, eye lens offset from axis, in case
Constant temperature cauldron, European, 1850-1940
1850-1940
4 zinc electrodes, European, 1900-1910
1900-1910
Objective, immersion
Condenser, darkground, with iris diaphragm
Objective, 1/2 inch
Objective, 4 inch
Application electrode, European, 1900-1910
1900-1910
Application electrode, European, 1900-1910
1900-1910