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
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
1-draw prospect glass, green shagreen with ivory mounts marked "Guiseppe Moschino in Geneva", in case, end of 17th century 1-draw prospect glass
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
Single opera glass, with white ivory body covered with turned decoration, in red leather case, by John Tuther, 221 Holborn, London, 1822 Single opera glass, with turned decorated ivory body, in red leather case 1822