silver-plated single-draw brass prospect glass with painted decorations showing classical figures
prospect glass (spyglass)
1701-1800
novelty spyglass (prospect glass?), 2-draw tube, i
1701-1800
Ivory draw tube opera glass telescope
1834-1837
Achromatic prospect glass telescope
1795-1805
Achromatic prospect glass telescope
1795-1805
Single opera glass, ivory body covered with turned decoration
1822
single opera glass (prospect glass; spy glass)
1745-1755
Spyglass, 1765
1751-1775
miniature prospect or spyglass (Galilean)
1675-1685
Spyglass by Edward Nairne, 1749-1775
1749-1775
Opera Glass by George Adams, London, 1750-1795
1750-1795
Achromatic prospect glass telescope
1809-1842
Single Opera Glass by Chevalier
1800-1848
Small prospect glass (or opera or spyglass)
1745-1755
Prospect glass
1701-1800
Prospect glass (or opera or spyglass)
1745-1755
Opera Glass, 1775-1800
Prospect spyglass telescope with shagreen tube and horn or darkened ivory lens mounts
1745-1755
Spyglass Covered with Green Shagreen, 1751-1775
1751-1775
Opera glass telescope
1838-1862
small telescope (prospect glass; spyglass; opera glass)
1759
Black ivory single opera glass
1790-1890
Monocular opera glasses (Galilean type) with ivory covered gilded brass tube
1850-1910
Prospect glass
1800-1810
Non-achomatic prospect glass telescope
1790-1829
Achromatic prospect glass telescope
1794-1823
Six-draw single gilt opera glass
1820
Prospect glass
1794-1823
Non-achromatic prospect glass telescope
1774-1793
Prospect glass (spyglass)
1725-1735
Spyglass (prospect glass), one draw tube
1725-1735
prospect glass (spyglass; opera glass)
1745-1755
prospect glass (or spyglass) by J. Dollond & Son
1751-1775
spyglass (prospect glass)
1725-1735
Single Opera Glass by Chevalier
1800-1848
Prospect glass (spyglass) telescope in fishskin case
1730-1780
Miniature opera glass telescope with red leather case.
1800-1899
Skeleton Opera Glass (c.1830)
1830
Single opera glass, 1-draw tube, covered with black fishskin, with case
circa 1730
Miniature folding opera glass in case
1800-1850
Double opera glass, incomplete
opera glass telescope in case
1850-1870
Folding single opera glass with case
1830-1870
Prospect glass, by Ramsden, in case
Small single opera glass, imitation emerald
(Small) single opera glass
Single opera glass, with turned decorated ivory body, in red leather case
1822