‘Visual glasses’ designed by Benjamin Martin
1756-1800
Pair of plastic National Health Service spectacles
circa 1950
Telescope by John Yarwell.
1685-1695
Telescope by Christopher Cock
1673
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
Laussedat type camera lucida, with trade cards
1875
Set of 13 anaglyph pictures
1895-1905
Kaleidoscope, by Philip Carpenter, Birmingham, with case
1815-1825
Original Porro telescope (Prism Monocular) by J. G. Hofmann of Paris
1865-1875
Ten slabs of unannealed glass
1825-1835
Polarization demonstration material
Pair of plastic National Health Service spectacles in blue case
circa 1950
Magic lantern slides
1811-1825
Peep show with eighteen paper slides of French scenes
1825-1835
Triunial Optical Projection Lantern
Spectrometer, fitted with replica of Rowlands grating
1905-1907
Plate cut from tourmaline uniaxial crystal
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Plate cut from barytes biaxial crystal
Plate cut from celestine biaxial crystal
Photoectric cell c. 1915 (probably by GEC)
1910-1920
Polycentral Kaleidoscope, 1880-1900
1880-1900
Two metal dies from plaster cast
1958
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Nobili's metallic tints (metallochrome)
pre-1919
Drawing prism for use with microscope
1887
Transmitter for converting electrical signals into optical/light signals
1970-1980
combined microscope-telescope with brass cap containing two ivory object plates
1822-1824
Spherometer, reads to 1/10
1845-1855
Photometric oil lamp
Two wax casts of moulds
1958
Claude Lorrain mirror
1701-1800
Claude Lorrain mirror
1801-1820
New Patent Jewel Kaleidoscope, 1854-1863
1854-1863
spyglass (prospect glass) with 1-draw tube
1725-1735
Diagrammatic model of 'Merton Nut' used for making replica diffraction gratings
1948-1956
Nicol prism, in cylindrical brass mount
1870
Tourmaline pincers in brass mounts
1872
Adjustable slit for use with spectroscope
Camera obscura by Jones (artist)
1801-1810
Magnifying glass on stand
Horn framed reading lens with trefoiled handle
1680-1700
Optician's trial set of lenses
Wollaston-type optometer
1825-1835
Screw barrelled microscope, rosewood, gilt brass stand
1680-1690
Large demonstration kaleidoscope on mahogany stand
1840-1860
Hawkseye eyepiece
Reading lens in wooden frame and handle
1650