Telescope by John Yarwell.
1685-1695
Terrestrial telescope, 1670-1700.
1670-1700
Terrestrial refracting telescope by Dolland
1752-1761
Ribright's Patent Spyglass and Tools, 1775-1825
1775-1825
Six-draw pocket telescope decorated with horn
1818-1850
Scent bottle and spy glass combined
1851-1900
1-draw telescope, by Dollond, Sheffield plate
Terrestrial telescope by J. Hurt non-achromatic (slide missing)
Early form of terrestrial telescope
Three draw terrestrial refracting telescope
1771-1830
Original Porro telescope (Prism Monocular) by J. G. Hofmann of Paris
1865-1875
Refracting terrestrial telescope
Terrestrial refracting telescope
1700-1750
Terrestrial refracting telescope
Miniature ivory and brass spyglass
1801-1900
Minature four-draw spyglass
1800-1899
Spyglass, gilt mother-of-pearl, and turquoise
1801-1900
Two-draw brass and wood spyglass
1801-1900
Spy Glass (c.1800) by Ramsden London
1800
Skeleton Spy Glass (c.1830)
1830
Spy Glass (c.1820)
1820
Miniature spyglass telescope with boxwood case
1725-1735.
Terrestrial hand telescope
1675-1685
Galilean refracting telescope on folding tripod
1785-1795
Small pocket telescope by Dollond
Refracting terrestrial telescope
1700-1705
Galilean refracting telescope (spyglass) with shagreen body and brass tubes by Henry Pyefinch
1763-1791
Galilean hand-held refracting telescope (spy-glass)
1780-1790
Refracting terrestrial telescope by Mann & Ayscough
1740-1750
spyglass or Galilean telescope
1735-1772
Brass spyglass with shagreen cover and two eyepiece powers
1700-1799
Brass spyglass decorated with shagreen and with an achromatic lens
1762-1800
Terrestial telescope in leather case
1851-1864
Telescopic folding pocket spyglass with ivory decoration
1800-1819
Naturalist's telescope by William Cary
1790-1810
Steel and wood spyglass, the larger lens missing
1800-1817
Six draw miniature gilt spyglass
1800-1817
4-draw "Target" telescope
circa 1950
Achromatic terrestrial telescope with bolts for stand
Galilean telescope (spyglass) with achromatic object glass
1770-1780
Sectioned (longitudinal) terrestrial achromatic refracting telescope
Terrestrial refracting telescope
sectioned (longitudinally) terrestrial refracting telescope
1780-1900
Eleven draw miniature silver spyglass
1801-1900
Spyglass telescope, with silver plated, one-draw, brass tube
1815-1825
Telescope
Spy Glass (c.1730) ivory with screw focus
1730
Walking Stick Telescope (c.1770)
1770
Walking Stick Telescope (c.1750)
1750
Skeleton Spy Glass (c.1820)
1820