Brass Refracting Telescope by Salmon, c. 1870 Signed on the tube: "W.F. Salmon, Crystal Palace", 3 draws, part mahogany-covered outer tube, dust c...

Brass Refracting Telescope on Heavy Tripod, c. 1880 Unsigned, polished brass, rack-and-pinion focusing, extended length 43 2/3 in., on lacquered w...

Brass Refracting Telescope by Stevens & Co, c. 1880 Signed "Armstrong Stevens & Co, Birmingham", polished brass, rack-and-pinion focusing, extende...

4 Telescopes on Decorative Stands, 19th Century Unmarked, two and three extensions, 1 with mahogany tube, extended length up to 27 1/2 in., 3 cast...

Brass Refracting Telescope by Cerf, c. 1880 Signed "J. Cerf, Bruxelles", polished brass, rack-and-pinion focusing, extended length 48 in., on lacq...

Kosmos 110 mm Newtonian Telescope, c. 1925 Manufactured by "Kosmos Lehrmittel, Stuttgart", mirror telescope, length 43 1/3 in. Ø 5 ½ in., on heavy...

Large Brass Telescope by Utzschneider u. Fraunhofer, c. 1840 Signed "Utzschneider u. Fraunhofer in München", original lacquered brass, rack-and-pi...

G. & S. Merz Refracting Telescope, c. 1900 Signed on the tube, original lacquered brass, length 31 in., on heavy tripod, with accessories in woode...

2 Optical Toys, c. 1930 1) "Pathé Baby" projector, for 9,5 cm film, with sliding resistance and 8 films. - And: 2) Magic lantern, unmarked, with b...