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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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Two small brass Augsburg dials, German, late 18th century, (2)
Two small equinoctial dials, English, mid 19th and early 20th centuries,
A brass Gunter quadrant, probably English, 17th century,
A Joshua Springer inclining dial, English, circa 1780, (2)
A Nicholas Bion brass universal equinoctial dial, French, early 18th century,
A Henry Wynne octagonal brass horizontal dial, English, late 17th century,
A Johann Willebrand silver and gilt brass universal equatorial dial, German, circa 1700,
A Ralph Gout silver cased pedometer, English, early 19th century,
A rare silver gilt perpetual calendar/snuff box, probably German, circa 1700,
A Jacobus Brooke brass horizontal dial, English, dated 1698,
A compass dial, English, late 18th century, (2)
Three small brass horizontal dials, English, 19th century, (3)
A Thomas Heath set of silver drawing instruments, English, mid 18th century,
A silver perpetual calendar, English, circa 1700,
A J.H Steward brass reflecting Goniometer, English, early 20th century,
A silver perpetual calendar, possibly German, circa 1700,
A Richard Melville multi gnomon slate horizontal sundial, Scottish, dated 1848,
A brass horizontal sundial, English, late 18th century,
A rare Johann Schultze silver universal equinoctial dial, German, dated 1688,
A J & W Watkins silver mounted spy glass, English,
An unusual brass nocturnal, European, probably late 17th century,
A lacquered wood Islamic astrolabic and sinical quadrant, late 19th century,
A large boxwood quadrant on stand, English, early 18th century,
A J Worgan octagonal brass horizontal dial, English, late 17th century,
A well engraved brass perpetual calendar, German, circa 1700,
A large Robert Connell nonagonal slate sundial, Irish, dated 1815,
A L Casella brass Cruciform dial, English, circa 1870,
A Thomas Heath brass Butterfield-type sundial, English, circa 1730,
A W & S Jones brass horizontal garden sundial, English, circa 1800,
A Henry Sutton wooden quadrant, English, mid 17th century,
An incomplete patent portable copying machine by James Watt & Co., English, circa 1800,
A Curta Type 1 Calculator, Liechtenstein, mid-20th century,
A Curta Type II calculator, Liechtenstein, mid-20th century,
A Louis Payen Arithmometer, French, circa 1900,
A Type I Curta Calculator,
A George Phillips patent orrery and planisphere, English, circa 1900, (2)
A Cosmos radio phone, type VR4 "cruet set" 3 valve wireless receiver, English, circa 1925,
A rare Q1 Lite desktop Micro Computer, circa 1980,
A Type II Curta Calculator, Liechtenstein, mid-20th century,
A very rare Olympia Büromaschinenwerke AG M4 Enigma cipher machine, 1944,
An MCR-1 modular valve-based clandestine receiver, English, circa 1944, (2)
A Hagelin C-52 Cypher machine, Swiss, 1950's,
A pair of Ross 10 x 70 binocular gun sights, English, circa 1940,
A set of fifty two hand coloured and drawn cards "England and Wales Dissected",
A table armillary sphere, French, circa 1835,
A Nicholas Lane 2 3/4-inch pocket globe, English, published 1818,
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