


‘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

Refracting telescope with achromatic lens, made by the Dollond family
1760-1775

Telescope by John Marshall
1685-1695

Handheld reading lens and case
1680-1700

Polarization demonstration material

Pair of plastic National Health Service spectacles in blue case
circa 1950

Polarization demonstration material associated with Silvanus P. Thompson

Polarization demonstration material associated with Silvanus P. Thompson

Camera Obscura Models by John Hammond, 1990-95
1990-1995

Laussedat type camera lucida, with trade cards
1875

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

Set of 13 anaglyph pictures
1895-1905

Magic lantern slides
1811-1825

Polycentral Kaleidoscope, 1880-1900
1880-1900

spyglass (prospect glass) with 1-draw tube
1725-1735

Reading glass magnifying lens in horn frame
1701-1750

hand magnifying glass
1790-1810

miniature prospect or spyglass (Galilean)
1675-1685

Naval refracting telescope
1765

Hand stereoscope made by Underwood and Underwood

Spyglass, 1765
1751-1775

Box-type Camera Obscura
1795-1805

prospect glass (spyglass)
1701-1800

Bifocal spectacles
1948

spectacles, silver plated brass
1775-1800

Iron framed Spectacles with lenses set in horn
circa 1750

Silver-framed 'visuals' spectacles
1775-1800

Wig spectacles, silver framed 'visuals' with horn lens surround
1775-1800

Steel spectacles with hinged sides with ring ends
1775-1800

Ribright's Patent Spyglass and Tools, 1775-1825
1775-1825

novelty spyglass (prospect glass?), 2-draw tube, i
1701-1800

Pair of spectacles (pince nez?), silver plated brass
circa 1700

Claud Lorraine mirror
1780-1800

single opera glass (prospect glass; spy glass)
1745-1755

Iron framed spectacles with padded temple pieces, in leather case
1745-1755

Single hand glass
1790-1850

Chromascope with conical lens
1830-1899

Folding hand glass with two lenses of different sizes
1799-1860

Magnifying glass, in ornamental tortoiseshell frame
1700-1850

Saccharimeter with sliding ivory scale on eyepiece

Single shooting lens with hat attachment
1825-1875

Steel framed spectacles with prismatic eyepieces, 1750-1890
1750-1890

Pair of metal rimmed spectacles
1865-1875

Dark grey fishskin case for spyglass telescope
1701-1800