Single Opera Glass by Chevalier, with helical focussing, in leather case, Chevalier family, France, 1800-1848. Single Opera Glass by Chevalier 1800-1848
Skeleton Opera Glass (c.1830), French, finely chased with monogram "AM" and coronet on handle. Two parts have become separated; 2 achromatic lenses focused by rackwork on bar; silver gilt, monogram A.M. Skeleton Opera Glass (c.1830) 1830
Miniature opera glass telescope, 6-draw gilted brass tube with mother-of-pearl decorative covering in cylindrical, velvet lined red leather case, unsigned, European, 1800-1899. Miniature opera glass telescope with red leather case. 1800-1899
Prospect glass (spyglass) telescope with silver-plated metal body, 1-draw metal with shutter lens covers (front one missing) in fishskin case, unsigned, European, 1730-1750. Prospect glass (spyglass) telescope in fishskin case 1730-1780
Miniature folding opera glass (Galilean type), with fob ring and case, by Dollond, London, England, 1800-1850 Miniature folding opera glass in case 1800-1850
single opera glass, 1-draw tube, in covered with black fishskin, silver ferrules, darkened ivory lens mounts, unsigned, probably English, c.1730, Single opera glass, 1-draw tube, covered with black fishskin, with case circa 1730
1-draw prospect glass, green shagreen with ivory mounts marked "Guiseppe Moschino in Geneva", in case, end of 17th century 1-draw prospect glass
Single opera glass (one-draw) in ivory and gilt brass, in case, by Voigtlaender and Sohn, Vienna. Draw-tube engraved: "(Private). Andrew Pritchard, 162 Fleet Street, London" opera glass telescope in case 1850-1870
Opera glass telescope, 'Galilean' type, gilded brass, 2-draw tube with ivory body and red leather covered wooden case with silk lining, by George Dollond, London, 1820-1840. Opera glass telescope with gilded brass tube and leather case 1820-1840
Folding single opera glass (monocular), tortoiseshell frame and mount with black leather, two-part case, unsigned, European, 1830-1870. Folding single opera glass with case 1830-1870