‘Visual glasses’ designed by Benjamin Martin
1756-1800
Telescope by John Yarwell.
1685-1695
Telescope by Christopher Cock
1673
Pair of plastic National Health Service spectacles
circa 1950
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
Plate cut from tourmaline uniaxial crystal
Plate cut from barytes biaxial crystal
Plate cut from celestine biaxial crystal
Photoectric cell c. 1915 (probably by GEC)
1910-1920
Two metal dies from plaster cast
1958
Nobili's metallic tints (metallochrome)
pre-1919
Wollaston-type optometer
1825-1835
Screw barrelled microscope, rosewood, gilt brass stand
1680-1690
Large demonstration kaleidoscope on mahogany stand
1840-1860
Hawkseye eyepiece
Glass prism with lugs, in shaped sharkskin case
1745-1755
Withering's botanic simple microscope
1790-1800
Improved Withering Botanic microscope
1790
Pocket 'Flower' microscope with leather case
1815-1825
Ladies spectacles; Tura aluminium frame
Stereoscopic viewer
Ladies spectacles; American frame plastic bifocal lenses
Phakoscope designed by Hermann von Helmhotz
1870-1878
Becquerel phosphoroscope
1865-1875
Newton's rings demonstration apparatus by J. Duboscq
1875-1885
Pair of folding bow spectacles
Exgovernment inra-red detector
Tank periscope
Periscope used in the trenches
Solution for use with "menicon o"2 contact lenses
Camera obscura
1845-1855
Kaleidoscope, turned ivory body
1840-1860
Magic Lantern
1801-1900
Glass prism for optical experiments
Prism of Thallium glass on wooden plinth
1865-1875
Compendium set consisting of hand magnifier
refracting telescope (achromatic?), three-draw tub
1835-1845
Drawing prism on rack adjusting stand by Nachet and sons
1895-1905
Wollaston type reflecting goniometer on marble base
Thorps replica grating (2 1/8 x 1 3/8-inches) on glass (2 1/2 x 2-inches) of Rowlands metal diffraction grating
Plate cut from dioptase uniaxial crystal
Japanese magic mirror
Plate cut from 0.5mm calcite uniaxial crystal
Computer-generated animated holographic stereogram
1990-1994
Early bifocal lenses with rounded segments and oval lenses
1800-1825
Liquid Prism for angle of 59 1/2 º
1876
Liquid Prism for angle of 59 1/2 º
1876