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Optical: Binoculars, Monoculars, Periscopes & Telescopes

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Superb early Victorian Rosewood and brass 3-draw Naval telescope by 'Adie & Son' of Edinburgh, complete with original brass case, circa 1835-81. Length: 25cm extending to 76cm. Lovely quality piece by makers of great renown. £425 ($850)

Very early cased set of x6 Prismatic binoculars. Very fine quality square leather case with shoulder strap and original fittings. The binoculars look to be a combination of japanned brass and aluminium with leather covered tubes. They appear to be completely anonymous but have shaped blank cartouches which would most likely have been engraved for the retailer. Focus is by the centre wheel to both oculars. The centre nut is marked 'x6' and the body pivot is marked from 70-58. Lenses are generally fine with some light static debris inside and a possible craze to the extreme edge of each inside; not in the general field of vision. These have not been dismantled by us. A very nice and unusual form! General condition throughout is very good. The binoculars measure approx. 11.5cm long and 12cm wide. The leather case measures approx. 12.5cm x 12.5cm x 5.5cm £115 ($230)

Early Victorian mahogany and brass 3-draw Naval telescope by 'Frederick Cox' of London. Complete with original brass lens cap, circa 1845-70. Length: 24cm extending to 76cm. Superb condition. £325 ($520)

Frederick Cox, Clock & Watch maker & Optical Instrument maker worked 1845-1901
1845-1870 100 Newgate Street London
1875-1901 98 Newgate Street London.

WW1 British military issue spotters scope by 'E.R.Watts' of London. Leather covered brass three draw telescope with carry case. Full military markings for 'Tel. Sig. MKIII G.S.' and crowsfoot. 28cm closed and 85cm extended. £250 ($400)

WWII Cased Trench periscope by 'R&J Beck' London dated 1943. Original fitted case, and with a screw in wooden handle rather than a fixed base. Anti-glare/sun shield and original leather lens cap. £275 ($440)

Richard & Joseph Beck were Optical and Philosophical Instrument makers working from 1867-94
1867-80 31 Cornhill
1881-1900+ 68 Cornhill
Factory at Lister Works, Kentish Town, Holloway.
Richard Beck, b.1827 d. 1866 was a member of the Microscopical Society of London from 1855. He started work in 1847 as an Optical Instrument and Microscope maker in partnership with James Smith as ‘Smith and Beck’, and continued in that partnership until 1851 when it became ‘Smith, Beck & Beck’ with the introduction of his brother Joseph.

Joseph Beck, b.1829 d. 1891 was a member of the Microscopical Society of London from 1859. He started work in 1851 as an Optician, going straight into partnership with his brother and James Smith, and was a member of the Guild of Goldsmiths from 1853. He had a son, Conrad, in 1879, who continued the name of ‘R&J Beck Ltd’ after the deaths of both brothers.

1900+ Beck Ltd R&J

WW2 period military monocular with case. Full military markings, and stamped 'Binocular prismatic No. 3 Mk1 magnification 6.' Slight chip to end lens, but this does not impair vision. £58 ($92)

Victorian "Heath & Co." of London single draw brass and leather telescope, c.1880-1900. £240 ($384). Length closed: 61cm extended; 75cm