Pair of plastic National Health Service spectacles
circa 1950
Telescope by John Yarwell.
1685-1695
‘Visual glasses’ designed by Benjamin Martin
1756-1800
Telescope by Christopher Cock
1673
Handheld reading lens and case
1680-1700
Telescope by John Marshall
1685-1695
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Camera Obscura Models by John Hammond, 1990-95
1990-1995
Set of ophalmological test charts
1920-1939
Camera lucida
Claude Lorrain mirror in fish-skin case
Camera Lucida for use with microscope
Artists' drawing aid comprising folding concave lens and folding Claude Lorrain mirror
1875-1900
Two specimens of artificial rubies (by Crookes?).
Abbe's camera lucida for use with the microscope by C. Zeiss
Red leather case for glass prism
1845-1885
Claude Lorrain mirror
Early stereoscopic photographs
Ophthalmic lens blank in Sundance photochromic glass
1986-1987
Weston Photronic model 614 foot-candle meter
1920-1933
Rachon prism (cement joint broken)
Spectrum tube
Camera Lucida in cylindrical fited case
Camera Lucida by Zeiss for use with microscope
Folding clip eyeglasses
Steel double spring folding eyeglasses with round lenses
1850-1869
Oval 'Chlorophylle' parallel glass
Oval white bent glass for protectors spectacles.
Oval smoke or neutral tint
Nickelled clip folding eyeglass frame
Nickelled clip folding eyeglasses
Round white 'Kryptok' tonc bi-focal spectacle lens
Oval smoke or neutral tint bent glass spectacle lens
Bi-focal spectacle lens
1900
Canadian steel folding clip eyeglasses with cork plaquets
Oval white double convex pebble spectacle lens with a grooved edge
Canadian steel coiled-spring folding clip eyeglass
Oval smoke or neutral tint bent glass spectacle lens
'Original' horizontal spring clip eyeglasses
1888
Chinese spectacles case
Smoke spherical-cylinder concave spectacle lens
Chinese spectacles with round flat lenses and two-piece side-arms
Rimless clip spectacles with amber oval bi-focal lenses
Chinese spectacles with rimless oval convex lenses and two-piece metal side-arms
Ladies clip spectacles with amethyst oval bi-focal lenses
Spectacle case of wood covered in mother-of-pearl with silver guard and hinge
1810-1829
Nickelled clip folding eyeglasses with oval lense and cork plates
'Prima Donna' spring folding clip eyeglasses
1874
Large nickelled folding clip eyeglasses frame with
