A Curta Type 1 Calculator, Liechtenstein, mid-20th century, No. 76434, the stepped gear-type pocket calculator engraved CURTA to the screw lid, ...

A Hagelin M-209-B Cipher Machine, American, 1950s, serial no. 33822 a light-weight portable pin-and-lug cipher machine, developed at the beginnin...

A Mark 122 clandestine transceiver, in black metal case with lid, together with headphones, in unoriginal simulated leather case, the transceiver ...

A Paraset Mk.7 clandestine suitcase radio transmitter, 1940's, with transceiver and power supply unit in unoriginal simulated leather case with p...

A Type 3 Mk II (B2) clandestine suitcase radio, English, 1940's, complete with transceiver, headphones, Morse key in unoriginal brown simulated ...

A French version of the Hagelin CX-52 cipher machine, serial no. 3806, in olive green metal case with part set of tools mounted in the lid, 4in ...

A Hagelin C-446A cipher machine, Swedish, 1960's, the mechanical cipher machine in olive green metal case part set of tools and two paper reels mo...

A Fialka M-125 cipher machine and power supply unit, Russian, third quarter of the 20th century, serial no. 16857, the electromechanical cipher...

A Hagelin CX-52 cipher machine, Swiss, 1950's, serial no. 10046, the pin and lug cipher machine with double paper tape print out, in olive green ...

A Hagelin CD-57/CD-57RT paper tape holder, circa 1960, the circular red reel in black plastic case with paper tape feed, 3 1/4in x 3 1/4in x 1 1/...

A Hagelin CX-54 printwheel and letter ring pot, Swiss, 1950's, lettering in Farsi, in plastic cylindrical case with lid, the base lettered CRYPTO ...

A Motorola STU III secure desk telephone, American, 1980's, Sectel 9600, in black plastic casing 5 1/2in x 10in x 9 1/2in (140mm x 255mm x 240mm) ...

A STU II secure desk telephone, American, 1980's, in black plastic casing 5 1/2in x 10in x 10in (140mm x 255mm x 255mm) Saleroom notices: This ...

Two 'Criptografi Palacios' cypher slide systems, Spanish, early 20th century, each tinplate platform with fourteen sliding alphabet columns, in ...

A Hagelin C-36M instruction booklet, Paris, 1955, French text, 59p including diagrams and original cover octavo This lot is subject to the foll...

A black ash box for an Enigma M4, Dutch, mid 20th century, with chromed metal lock and fittings, hinged lid and front opening to spare light bul...

A Hagelin H-4605 electronic shift-register based cipher machine Swiss, 1970's, serial no. 4000287, in a grey plastic casing and is powered direc...

A German military attache case, German, 1940's, the stained wood case with metal corner caps, military type securing catches and leather handle, n...

A demilitarised circuit board from an KW-7 on-line cipher machine, American, 1960's, with hand-written label CIRCUIT BOARD FROM A U.S. KW7 CRYPTO...

A Hagelin HC-520 cipher machine, Swiss, 1970's, a portable electronic off-line cipher machine for text-based messages, introduced in 1977 by Cry...

A KL7 cipher machine parts and maintenance box, American, 1950's, the clearing utensils, valves, light bults and other parts, in grey painted met...

Nine assorted wheels for a Koralle cipher-teleprinter, Russian, 1960's five non-matching cypher wheels and four control wheels, 2 3/4in (70mm) ...

A Boris Hagelin gift medallion, 20th century, white metal cast with portrait of Boris Hagelin and the date 1952, reverse cast 'HAGELIN-CRYPTOS', ...

A Hagelin BC-543 tool and parts box, with two tubes, letter opener tape reader and a pin setter, in pine case with hinged lid, 1 1/4in x 7 1/2in ...

A case suitable for carrying an Enigma cipher machine, German, 1940's. black painted wooden case with four securing latches and wood base slides ...

A PACE hand-held cipher instrument, Norwegian, 1980's, PACE (Portable Automatic Cryptographic Equipment) is a handheld terminal for off-line encry...

A Hagelin BCX-52 RT cipher machine, Swedish, 1960's, serial no. 35674, the pin and lug cipher machine with series of pin wheels below hinged fla...

A Hagelin BC-543 Electro-Mechanical Cipher Machine, Swedish,1940's, serial no. 5466, the pin-wheel cipher machine with keyboard and motor built ...

A Hagelin BC-543 Electro-Mechanical Cipher Machine, Swedish, Mid 20th century, Serial number 5307, 6 rotor mechanism in grey painted metal case, ...

A Rare 'Hagelin C-38' Cipher Machine, Sweden, Mid 20th Century, Serial number 1477, the grey painted metal casing hinged at the top to reveal 6 ro...

A rare Heimsoeth und Rinke three rotor Enigma 1 cipher machine, German, circa 1937, serial no. A6674, the baseplate of the machine is marked wit...

The Kemmel Times or The Wipers Times & The 'New Church' Times, Monday 3rd July 1916, with red stamp Yr 1 No.1, stitched, publisher's printed wra...

A military heliograph, English, 1940's, stamped Helio 5' Mark V C & D B23742, the mirror in brass mounting bracket and screw thread 8 1/4in (210...

Lot withdrawn: please contact Bonhams for more information about this lot For further information about this lot please visit the lot listing

A WW2 RAF Officers crusher style peak cap, with Kings Crown bullion Badge, leather sweatband, padded lining, and black leather chinstrap For furt...

Lot withdrawn: please contact Bonhams for more information about this lot For further information about this lot please visit the lot listing

Lot withdrawn: please contact Bonhams for more information about this lot For further information about this lot please visit the lot listing

Lot withdrawn: please contact Bonhams for more information about this lot For further information about this lot please visit the lot listing

Lot withdrawn: please contact Bonhams for more information about this lot For further information about this lot please visit the lot listing

A Russian tank flag with hammer and sickle emblem stencilled onto red linen, border with tank regiment details and the date 1943, 27 by 40in (69...

A 1 1/2-inch scale model of a William Allchin single cylinder general purpose traction engine, 20th century, with brass fittings, drive wheel hub...

A rare Baird Televisor, English, circa 1930, by The Plessey Company, No. 207, with Nipkow disc, neon lamp (broken), Televisor motor with speed ra...

A large collection of microscope specimen slides, English, 19th and 20th centuries, the mahogany case with glazed door, fitted with twenty eight...

A stone polyhedral dial, Continental, possibly 17th century, made for latitude 48 1/2 degree N, top face with two half horizontal dials, front f...

A Richard Whitehead silver Butterfield-type sundial, English, circa 1690, signed Richard Whitehead Fecit, of standard Butterfield design with f...

A Pohringer brass string gnomon dial, probably Dutch, early 18th century, signed Pohringer Haag, octagonal dial with three levelling screws, ins...

A brass universal equinoctial dial, French, early 18th century, with hinged plumb-bob bracket, latitude arc and chapter ring, on square base wit...

A rare brass equinoctial compass dial, probably French, circa 1700, upper outer face with Butterfield style dial with four hour scales, upper in...

A Henry Wynne silver universal equinoctial ring dial, English, late 17th century, signed Henry Wynne fecit, engraved with latitudes of thirty e...

A rare Thomas Wright gilt brass mechanical universal equinoctial dial, English, circa 1730, signed Made by T Wright Instrument maker to ye KING,...

A Joseph Wells brass horary quadrant or panorganon, English, dated 1663, signed Joseph Wells fecit 1663, the observe with scales as detailed by...

A replica orrery, made by Empyrea, London, 1992, based on the Troughton orrery located at the London Science Museum, with gearbox designed by Fr...

A rare Benjamin Martin brass universal dial or portable equatorial instrument, English, circa 1780, signed G Wright Invt. Martin London Fecit, ...

A boxwood pillar sundial, French, late 17th century, with folding brass gnomon, cylindrical dial with incised hour and calendar scales together ...

A W & S Jones brass horizontal garden sundial, English, circa 1800, signed W & S Jones Holborn London, the circular dial made for latitude 50 d...

A rare Gabriel Stokes brass analematic and horizontal sundial, Irish, mid 18th century, signed Gab.Stoaks Dublin Fecit the silvered brass horizon...

An Andreas Vogler universal equatorial sundial German, late 18th century, signed And. Vogler, with shaped hour ring and hinged gnomon, latitude ...

An unusual brass nocturnal, European, probably late 17th century, obverse with two concentric volvelles, outer rim stamped 0-12 twice, calendar ...

A fine Louis Chapotot silver inclining dial, French, circa 1700, signed CHAPOTOT A PARIS, the octagonal universal equinoctial dial with engrave...

A fine Troughton & Simms 3 1/2-inch brass refracting telescope on stand, English, mid 19th century, signed TROUGHTON & SIMMS LONDON, the tube wi...