Achromatic Stereoscope
1865-1875
Beck Field camera
circa 1889
Beck spectroscope, late 19th century
1871-1900
Scalpel with ivory handle
1801-1900
Spinthariscope in case
1903
Stereoscopic microscope
1965-1950
Beck Primus Lens.
c.1910
Tonsil snare
1901-1930
Spectroscopic eyepiece
1901-1950
Clockwork motor and shutter assembly from Dobson Spectrophotometer
Rapid Rectilinear Lens.
circa 1910
Spectroscope
1900-1980
Turntable from microscope slide preparation
1960-1970
Large Diffraction Astronomical Spectroscope to Thorp's design with two prism
1910-1920
Compound monocular microscope, owned by Dame Lucy Aldrich-Blake
1877-1879
Beck Symmetrical Lens.
c.1910
Research microscope by Optomax
1958-1960
Brass Mounted Lens
Five Cables and Air Lines from EROS IV Optical Transfer Function Measuring System
1960
Case of trial lenses
1880-1920
Sorby microspectroscope in case
1871-1900
Dissecting microscope in case
1865-1875
Short focal slide with steel ball pivot and with mechanical stop for locking on axis
1963-1969
Botanic microscope (for dissection) in wooden case
1871-1890
Compound monocular microscope with radial substage
1880-1870
Long focal slide with steel ball pivot and with mechanical stop
1963-1969
Beck Symmetrical Lens
circa 1890
Dery comparison microscope
1885-1895
Monocular microscope
1940-1955
Johnson's "Patent Measurement Indicator"
1870-1920
Beck Symmetrical Lens.
c.1910
Stereoscopic Viewer
circa 1910
Small stand for student or school use
1871-1900
Base for mounting object generator on focal slide
1963-1969
Object Generator from EROS IV Optical Transfer Function Measuring System
1963-1969
Short field slide from EROS IV optical transfer function measuring system for lens testing
1963-1969
Hydrometer, alcoholmeter, glass
'Porro' optical system, from a trench periscope
1910-1920
'Frena' Camera
1892
Medium field slide from EROS IV optical transfer function measuring system for lens testing
1963-1969
Beck Symmetrical Lens.
c.1910
Ophthalmic instrument set
1880-1920
Optical device for measuring the absorption of different frequencies of light by different solutions
1850-1924
Williams-type knife carrier for freezing ether microtome
1881-1910
Dissecting microscope in case
1870-1875
Base for Mounting Image Analyser on Focal Slide
1963-1969
Stereoscopic microscope
1950-1965
Binocular aquarium microscope
1865-1875
Star model microscope compound monocular
1880-1890