"Archimedes Mod. C", 1912 Reinhold Pöthig, Glashütte/Sachsen. German stepped-drum calculating machine in good working condition. With copied Germa...

Star Adding Machine, 1922 9-digit model, with carrying handle. Zustand: (3/3-) Star Adding Machine, 1922 9-stelliges Modell mit Tragbügel. – Lite...

"Scribola" and 2 x "Comptator" 1) "Scribola", 1922. Attractive and desirable German chain-driven adder with printer, original case and pen. – 2) "...

3 Logarithmic Calculating Discs 1) "Fowler's Magnum Long Scale Calculator", c. 1948. 4 ¾ in. diameter. With leather case. – 2) Circular slide rule...

3 Calculating Aids 1) "Consul – The Educated Monkey", 1916. With manual and cardboard case. – 2) "Faulenzer", c. 1910. 144 pages with scales and c...

Curta "Type I" Calculator, 1948 Serial no. 9502. With original tin case and copied German instructions. As the smallest miniature stepped-drum mac...

"Alpina", 1961 Rare and final model of stepped-drum calculator, with scarce base, handle detached, otherwise super original condition, manual and ...

"Fuller" and "Zeus" 1) "Professor Fuller's Slide Rule Calculator", 1921. Logarithmic calculating drum by George Fuller, made in England by Stanley...

Collection of 5 "Feed-Rack Calculators" 1) "Stima", 1930. – 2) "Arithmographe Troncet", 1892. – 3) "Machine Raymond" – 4) "Addiator", double-sided...

4 Spokewheel Calculating Machines 1) "Feliks Mod. M", c. 1955. – 2) "Thales", c. 1925. – 3) "Schubert Mod. DRV". – And: 4) "Hamann Manus R", 1954....

Walther WSR 16, c. 1958 Popular German spokewheel calculating machine. Zustand: (3/3) Walther WSR 16 (grau), um 1958 Deutsche Sprossenradmaschine...

Collection of 7 "Abacus" Various models, Russian, Chinese and Japanese versions of this early calculating device. – Very informative exhibition pi...

Replica of Wilhelm Schickard's Mechanical Calculating Machine of 1623 By R. Rehbein, Düsseldorf. With German manual and documentations. Size: 39 x...

"BriCal – The British Calculator Mod. B", 1905 In velvet case, with original pen! Zustand: (3/3) "BriCal – The British Calculator Mod. B", 1905 ...

3 Disc Adding Machines 1) "The Standard Desk Calcumeter", 1901. American 7-disc adder with tens transfer and rare reset disc. – 2) "Patent Michel ...

Russian "Original Odhner", c. 1905 Rare version of the Swedish spokewheel calculating machine from Petrograd production. Serial no. 21797. – Rare!...

2 Calculating Devices 1) "Webb's Adder", 1868. Early American double-disc adder which was produced many decades but only patented in 1889. (2/2) –...

"Calculimetre" Calculating Disc, c. 1875 1) Patented French logarithmic device by G. Charpentier. Made by Tavernier – Gravet, Paris, double-sided....

"Kuli" Calculating Machine, 1909 Very attractive and extremely rare German calculating machine for all four arithmetical operations! Low serial no...

"The Rapid" and "Golden Gem" 1) The Rapid Computer", 1892. Early 9-digit American adder in original case, with pen. – And: 2) "Golden Gem", 1904. ...

"Universal-Adder", 1904 Very attractive German adding machine with beautiful Art-Nouveau design. By Justin W. Bamberger & Co., Munich, which was a...

"The Locke Adder", 1901 Very attractive American adding machine with beautiful Art-Nouveau design from the turn of the 19th century! With copied m...

2 Fast Adders 1) "Comptometer", c. 1935. 10-digit adder with copper-tin case. (3-/3) – And: 2) "The London Computator", c. 1935. (4-/2-) Zustand: ...

"Multifix", c. 1950 Scarce first Norwegian spokewheel calculating machine. – With copied German manual. – Not listed in any major specialized lite...

Calculating Drum by Ernst Billeter, Zurich, Switzerland, c. 1900 Early patented Swiss calculator with ball handle and original case. 20 2/3 in. wi...

"Mercedes-Euklid Mod. 1", 1905 With original tin cover and copied German manual. – In good working order. Zustand: (2-/2-) "Mercedes-Euklid Mod. ...

Swiss "Conto" Model C Calculating Machine, 1912 Manufacturer: "Carl Landolt Rechenmaschinen Thalwil b/Zürich", Switzerland. Spoked-wheel 8-digit a...

"Tim Unitas", 1912 Stepped-drum calculator with double result sled, by Ludwig Spitz, Berlin. With copied German manual. Serial no. 12183. – Litera...

"Robotron Mod. 314", 1972 Electrical 3-species feed-rack adding machine (220 V) by the East German VEB Robotron Secura-Werke Berlin, GDR. – Good w...

Olympia CD-400 Desktop Calculator, 1970 No. 0212-27624, 12 digits, Nixie-tubes, 100–240 V, working, with manual. Zustand: (3+/2) Tischrechner Oly...

"Certa" Adding Machine Extraordinarily rare model of the "Adix" of 1903. Same construction. – With original velvet case, manual and warranty card,...

Rare American 6-Rotor Cryptographic Machine "M-209-B", 1944 By L.C. Smith & Corona Typewriters Inc. according to the Swedish Hagelin-Cryptos syst...

"The Ideal Codigraph" Cipher Machine, c. 1910 Marked "Ideal Codigraph" and a baseplate "Baveux Frères, Constructeurs, St. Nicolas d'Aliermont, Fra...

Metal Enigma Cypher Machine Case, c. 1942 Original metal case for a German Second World War Enigma machine as used by the German armed forces (inc...

Original Apple-1 Computer, 1976An iconic example of Apple's first product, with provenance from the original owner and an archive of historic docu...

G.P.O. Candlestick Telephone No. 150, c. 1925 British, brass, bakelite transmitter S234 No. 22, supplied with rotary dial by L.M. Ericsson. Zustan...

L.M. Ericsson Model AB 520 Wall Phone, c. 1905 Wooden case, 4-part induction coil, handset with speaking horn, alarm bell, lightning protection, g...

French Intercom Telephone by Pernet, c. 1910 For 5 lines, walnut case, nickeled fittings, handset with horn-type microphone. Zustand: (2-3/-) Fra...

Belgian Wall Telephone, c. 1922 Atea, Antwerp. Walnut case, fixed microphone, Bell-type earphone, crank-driven inductor. Zustand: (3+/-) Belgisch...

Demonstration Telephone by Leybold, c. 1915 Marked: "E. Leybold's Nachfolger, Köln" (E. Ley bold's Successor, Cologne). With carbon granule microp...

2 Telephone Demonstration Models, c. 1910 1) Microphone, with wooden vibration plate and carbon rod. – And: 2) Bell-type telephone, wooden case. Z...

Home Telephone Clock Stand Station, c. 1900 Probably by Mix & Genest, walnut case, carbon granular transmitter, alarm bell on the rear side, round...

2 Telephones, c. 1910 1) Intercom for 6 lines, walnut case, horn microphone, headphone, with brass label: "Louis Schaeffer, Anvers". – And: 2) Wal...

Belgian Ateaphone Series 30 Telephone, c. 1928 Manufacturer: New Antwerp Telephone & Electrical Works. Bakelite and metal body, typical Atea-desig...

Police Telephone Recording Unit, c. 1965 Pulse dial recorder, made by Bell Telephone AG, Belgium, electro-mechanical, with paper strip printer, in...

Norwegian Wall Telephone, c. 1900 Elektrisk Bureau Kristiania (now Oslo), original condition with decal, complete, handset with speaking horn. Zus...

L.M. Ericsson Wall Telephone, 1936 Marked inside: "AC 140 – Schema A – K.T.V. 1936", 4-part induction coil, double bell, black-painted case, good ...

Bell Wall Telephone, c. 1930 Wooden case, with flap switch for incoming telephone calls. Zustand: (3+/-) Wandtelephon von Bell, um 1930 Holzgehäu...

Norwegian Table Telephone, c. 1900 Elektrisk Bureau Kristiania (now Oslo), tin chassis on wood base, crank with inductor, handset with speaking ho...

French Ink-Writer Telegraph, c. 1900 No. 1870, manufactured by L'Association des Ouvriers en Instruments Précisions, for "Adminstration des Postes...

Camel-Back-Style Relief-Writer Telegraph, c. 1860 Original lacquered brass, walnut base, working spring motor, with key, size of the base 11 3/4 x...

2 Cooke Wheatstone Single-Needle Telegraphs, c. 1860 Manufacturer: Newton & Co. Opticians, London. Demonstration or teaching models, with alarm be...

Ducretet Dial Telegraph, c. 1870 E. Ducretet & Cie, Paris. Receiver, on polished walnut case, size 7 x 8 ¼ x 7 4/5 in. Zustand: (3+/-) Zeiger-Tel...

3 Toy Telegraphs, c. 1915 All unsigned, clockwork drives, each approx. 7 ½ in., mounted on wooden boards, with 2 Morse keys and 1 alarm bell, unte...

3 Telegraph Receiver Demonstration Models, c. 1910 Ink-writers, one with handcrank-drive, two with spring-motor, one marked "Högsta Tillatna", wid...

Telegraph Writer and 5 Morse Keys, c. 1900 1) Small ink-writer telegraph by "Ch. Noe – Paris", working spring motor. – And: 2) 5 Morse keys, one m...

Mechanical Time Switch Clockwork-driven, 24 hours, adjustable cam disc, switching capacity up to 200 watt, in glazed wooden case, width 6 ¾ in., w...

8 Early Morse Keys 1) L.M. Ericsson & Co, Stockholm, c. 1880. – 2) Silent key by Siemens & Halske, c. 1871. – 3) Camel-back key, USA, c. 1870. – 4...

7 British Morse Keys, c. 1940 1) Model WER, also used in Fullerphone. – 2) Type D, No. 10F/7373, probably a marine transmitter. – 3) Early low-noi...

11 American and Japanese Morse Keys, c. 1950 1) Bunnell type J75, with switch. – 2) American key, type J-38.. – 3) Japanese Bunnell copy, on Plexi...