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Science, Technology & Natural History

29 August – 9 September 2025
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Online, London, Knightsbridge
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Auction highlights

A very rare Olympia Büromaschinenwerke AG M4 Enigma cipher machine, 1944,A very rare Olympia Büromaschinenwerke AG M4 Enigma cipher machine, 1944,. Sold for £305,200 inc. premium
A rare Marcus Purman gilt and silvered brass tablet sundial/compendium, German, dated 1593,A rare Marcus Purman gilt and silvered brass tablet sundial/compendium, German, dated 1593,. Sold for £15,360 inc. premium
A rare Q1 Lite desktop Micro Computer, circa 1980,A rare Q1 Lite desktop Micro Computer, circa 1980,. Sold for £7,680 inc. premium
A Nicholas Lane 2 3/4-inch pocket globe, English, published 1818,A Nicholas Lane 2 3/4-inch pocket globe, English, published 1818,. Sold for £4,864 inc. premium
An Edmund Culpeper brass universal equinoctial ring dial, English, early 18th century,An Edmund Culpeper brass universal equinoctial ring dial, English, early 18th century,. Sold for £4,096 inc. premium
A pair of positive-negative brittle starfish and trilobite fossil plates (2)A pair of positive-negative brittle starfish and trilobite fossil plates (2). Sold for £2,304 inc. premium

Lot gallery

142 lots available

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A Cole brass gunner's calliper, English, mid 18th century,
A Gabriel Stokes brass universal equinoctial ring dial, Irish, early 18th century,
A brass ring or poke dial, probably English, dated 1688,
A small gilt brass cruciform dial, possibly German, mid 17th century,
A Le Febure brass Butterfield dial, French, mid 18th century,
A Pierre Sautout Choizy gilt brass Butterfield-type dial, French, circa 1680,
A rare Jacques Canivet silver Butterfield-type dial with fixed gnomon, French, dated 1764,
A rare combined brass nocturnal and quadrans vetus, possibly German, 17th century,
A Manche brass equinoctial horizontal compass dial, French, dated 1770,
An unusual oval silver string gnomon compass dial, French, circa 1730,
A brass Butterfield-type dial, probably English, circa 1730,
A Nicholas Lemaindre silver and gilt brass dial, French, circa 1650,
An octagonal brass inclining dial, English, early 18th century,
A Le Maire brass Butterfield-type dial, French, mid 18th century,
A Chevalier oval gilt brass Butterfield-type dial, probably French, circa 1700,
A Nicholas Bion rectangular silver Butterfield-type dial, French, circa 1720,
A Morlet small silver horizontal dial, French, late 18th century,
An oval silver Butterfield dial, French, circa 1700,
A silver Butterfield dial, French, early 18th century,
A Pierre Sevin brass equinoctial ring dial, French, circa 1680,
A silver perpetual calendar, German, early 18th century,
A Chapotot brass sector, French, circa 1700,
A rare Samoilov silver Butterfield-type dial, Russian or French, late 18th century,
A boxwood nocturnal, English, early 18th century,
A Heath & Wing brass sector, English, circa 1760,
A coin balance and set of weights, Low Countries, early 19th century,
A G Whitehead brass sextant, English, late 19th century,
A collection of five brass and silver calendars, various dates,
An Edmund Culpeper brass universal equinoctial ring dial, English, early 18th century,
A James Long 2 1/2-inch brass reflecting telescope, English, late 18th century,
Two silvered brass dividers, probably early 18th century, (2)
A John Naish brass universal equinoctial ring dial, English, dated 1707,
A Wray 3 1/4in brass refracting telescope on stand, English, mid 19th century,
A 2-inch Gilbert & Co brass refracting telescope on stand, English, early 19th century,
A rare George Lindsay brass portable "snuff box" microscope, English, circa 1748,
A fine Powell & Lealand No. 2 compound binocular/monocular microscope, English, dated 1869,
A brass perpetual calendar, English, dated 1688,
A brass Butterfield Dial, French, early 18th century, signed Butterfield A Paris,
A large Butterfield silver compass dial, French, early 18th century,
A Langlois gilt brass equatorial dial, French, mid 18th century,
A Heath "bell-pattern" brass sextant, English, late 19th century,
A brass simple or Poke dial, English, circa 1700,
A brass horizontal dial, French, mid 18th century,
A magnetic compass dial, English, early 19th century,
Two small pocket sundials, 19th century, (2)
A Fraser magnetic azimuth compass dial, English, late 18th century,
A rare Marcus Purman gilt and silvered brass tablet sundial/compendium, German, dated 1593,
An unusual string gnomon dial with perpetual calendar, probably German, 18th century,
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