‘Visual glasses’ designed by Benjamin Martin
1756-1800
Telescope by Christopher Cock
1673
Pair of plastic National Health Service spectacles
circa 1950
Telescope by John Yarwell.
1685-1695
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Handheld reading lens and case
1680-1700
Telescope by John Marshall
1685-1695
Kaleidoscope, by Philip Carpenter, Birmingham, with case
1815-1825
Camera Obscura Models by John Hammond, 1990-95
1990-1995
Glass prism showing the illusion of a goblet
1845-1855
White light bleached phase reflection hologram of underwater objects
hand-painted lantern slides of astronomical subjects
1815-1825
Camera lucida, Wollaston style, with fish-skin case
1810-1830
Miniature black mirrors
1875-1900
Set of ophalmological test charts
1920-1939
Camera lucida
Black plastic rack contraining nine slides of blue glass ('Lovibond glasses') in increasingly dark tints
1940-1958
Claude Lorrain mirror in fish-skin case
Diffraction grating with focal power
1973-1983
Wollaston type camera lucida with Ross lenses
1851-1900
Camera Lucida for use with microscope
Drawing, pencil, crayon and wash of Dr Spurzeheim, 1815
1815
Wollaston-type camera lucida with Ross lenses, by Adie & Son
1835-1880
Artists' drawing aid comprising folding concave lens and folding Claude Lorrain mirror
1875-1900
Plastic hand magnifier for cataracts sufferers
1970-1990
Two specimens of artificial rubies (by Crookes?).
hand-painted lantern slides of astronomical subjects
1815-1825
Abbe's camera lucida for use with the microscope by C. Zeiss
Red leather case for glass prism
1845-1885
Liebreichn type ophthalmoscope in fitted case
1855-1865
Ophthalmoscope, by "Nachet a Paris"
1790-1890
Camera lucida, Wollaston style, with fish-skin case
1820-1850
Camera lucida, Wollaston style, with leather case
1810-1830
Claude Lorrain mirror
Early stereoscopic photographs
Claude Lorrain mirror
1875-1900
Claude Lorrain mirror
1875-1900
Ophthalmic lens blank in Sundance photochromic glass
1986-1987
Weston Photronic model 614 foot-candle meter
1920-1933
Demonstration artificial eye in case
1880-1900
Demonstration artificial eye
1850-1900
Lenticular Kaleidoscope, 1980-1990
1980-1990
Circular diffraction grating ruled on glass
1910-1920
Circular diffraction grating ruled on silvered glass
1910-1915
Pair of concentric bifocal contact lenses in case
1977-1979
Two prisms
1872
Glass roof prism from artillary range-finder
1920-1950
'Roof' type glass prism from artillery range-finder
1930-1950
Bridge's diffraction demonstration apparatus
1860-1890
Glass triangular prism, from artillery dial gun sight
1930-1950