Telescope by John Yarwell.
1685-1695
Terrestrial telescope, 1670-1700.
1670-1700
Small pocket telescope by Dollond
Ribright's Patent Spyglass and Tools, 1775-1825
1775-1825
Galilean refracting telescope on folding tripod
1785-1795
Original Porro telescope (Prism Monocular) by J. G. Hofmann of Paris
1865-1875
Three-draw leather covered terrestrial telescope by Ross Ltd.
1911
Adams's New Patent Portable Telescope
1734-1795
4-draw "Target" telescope
circa 1950
Galilean refracting telescope (spyglass) with shagreen body and brass tubes by Henry Pyefinch
1763-1791
Terrestrial hand telescope
1675-1685
Terrestial telescope in leather case
1851-1864
Six draw miniature gilt spyglass
1800-1817
Naturalist's telescope by William Cary
1790-1810
Refracting terrestrial telescope
1700-1705
Brass spyglass with shagreen cover and two eyepiece powers
1700-1799
refracting terrestrial telescope
1800-1810
Spyglass, gilt mother-of-pearl, and turquoise
1801-1900
Spyglass telescope, with silver plated, one-draw, brass tube
1815-1825
1-draw telescope, by Dollond, Sheffield plate
3-draw telescope stamped "Leonardo Semitecolo"
spyglass or Galilean telescope
1735-1772
Telescope
Terrestrial hand telescope
1690-1700
Galilean telescope (spyglass) with achromatic object glass
1770-1780
Galilean hand-held refracting telescope (spy-glass)
1780-1790
Terrestrial refracting telescope
1695-1705
Brass spyglass decorated with shagreen and with an achromatic lens
1762-1800
Terrestrial refracting telescope
Brass spyglass with 2 eyepiece powers
1700-1799
Spyglass telescope, with painted and silver plated tube
1800-1819
Refracting terrestrial telescope
Three draw terrestrial refracting telescope
1771-1830
Terrestrial refracting telescope by Dolland
1752-1761
terrestrial achromatic refracting telescope
1838-1845
Telescope, 4-draw, ivory caps
1680-1700
Pocket draw-tube spyglass telescope
1700-1750
Miniature spyglass telescope with boxwood case
1725-1735.
Folding pocket spyglass by Fraser
Terrestrial telescope by J. Hurt non-achromatic (slide missing)
Six-draw pocket telescope decorated with horn
1818-1850
Steel and wood spyglass, the larger lens missing
1800-1817
Scent bottle and spy glass combined
1851-1900
sectioned (longitudinally) terrestrial refracting telescope
1780-1900
Square section terrestrial telescope, c. 1745.
1740-1750
Early form of terrestrial telescope
Telescopic folding pocket spyglass with ivory decoration
1800-1819
Sectioned (longitudinal) terrestrial achromatic refracting telescope
Four draw gilt brass spyglass decorated with mother-of-pearl
1831-1900
Miniature 4 draw spyglass
1800-1899