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Swiss "Conto" Model B Calculating Machine, 1912 Manufacturer: "Carl Landolt Rechenmaschinen Thalwil b/Zürich", Switzerland. Spokewheel 8-digit add...
"Heureka", 1907 Swiss adding machine by A.G. für Techn. Industrie, Zurich. Swiss patent no. 33243.
"Heureka", 1907 Swiss adding machine by A.G. für Techn. Industrie, Zurich. Swiss patent no. 33243. With 9 keys and 10-digit results. Serial no. 23...
"Kuli" Calculating Machine, 1909 Very attractive and extremely rare German calculating machine for
"Kuli" Calculating Machine, 1909 Very attractive and extremely rare German calculating machine for all four arithmetical operations! Serial no. 11...
"Curta Type II" Calculator (Grey), 1948 With original metal case. - Very desirable! Excellent condition! Zustand: (2/2) "Curta Type II" (grau), 19...
"Hannovera", 1921 Rare German spokewheel calculating machine with 8-digit arithmetic unit. - Low
"Hannovera", 1921 Rare German spokewheel calculating machine with 8-digit arithmetic unit. - Low serial no. 1957, original wood case. - Literature...
"Alpina", 1961 Rare and final model of stepped-drum calculators, with scarce original base and case.
"Alpina", 1961 Rare and final model of stepped-drum calculators, with scarce original base and case. Serial no. 1768. - Very sought-after collecto...
2 German Step-Drum Calculating Machines 1) "Peerless", 1904, by Math. Bäuerle, St. Georgen/ Black
2 German Step-Drum Calculating Machines 1) "Peerless", 1904, by Math. Bäuerle, St. Georgen/ Black Forest. (3-/2) - And: 2) "T-I-M (Time is Money)"...
"Reports", 1955 Post-war model of famous German "Adix" adding machine with 9-digit keys and bakelite
"Reports", 1955 Post-war model of famous German "Adix" adding machine with 9-digit keys and bakelite case. Zustand: (2/2) "Reports", 1955 Nachkrie...
Burroughs 1, c. 1890 Printing adding machine class 1, model 1, serial no. 7756, 9 key-rows, 3 beveled-glass sides. Zustand: (2-3/-) Burroughs 1, u...
"Mercedes-Euklid Mod. 1" and "Mod. 16", 1905 1) Rare 1st model with proportional levers by Christel Hamann, Berlin. - Literature: Martin, S. 165 +...
7 Mechanical Calculating Machines 1) "Walter WSK 16". - 2) "Mullo Addo". - 3) "Rokli Modell 16". -
7 Mechanical Calculating Machines 1) "Walter WSK 16". - 2) "Mullo Addo". - 3) "Rokli Modell 16". - 4) "Melitta M16". - 5) "Walther WSR 160". - 6) ...
Burroughs Class 1 Style 6 Adding Machine, c. 1920 No. 6-946705, electric motor, 220 V, working,
Burroughs Class 1 Style 6 Adding Machine, c. 1920 No. 6-946705, electric motor, 220 V, working, for the German market, beveled front glass, with g...
"Triumph Adding Machine", 1910 Highly interesting American adding machine with digital chain rows.
"Triumph Adding Machine", 1910 Highly interesting American adding machine with digital chain rows. Both sides with attractive Art-Nouveau decorati...
2 "Comptator" Pocket Calculating Machines, c. 1910 Chain adders by Hans Sabielny, made by Schubert &
2 "Comptator" Pocket Calculating Machines, c. 1910 Chain adders by Hans Sabielny, made by Schubert & Salzer, Chemnitz, Germany. 9 and 13 digits, p...
6 Spokewheel Calculating Machines 1) Thales Patent, model CER, with original instructions. (2/2) -
6 Spokewheel Calculating Machines 1) Thales Patent, model CER, with original instructions. (2/2) - 2) Original Odhner, model 127 (blue). (3/2) - 3...
Rare Demonstration Model of the "Original Burroughs Type Box" 1) In showcase. - And: 2) Cut-away
Rare Demonstration Model of the "Original Burroughs Type Box" 1) In showcase. - And: 2) Cut-away model of "Triumphator" spokewheel calculating mac...
Groups of Calculating Tools in 2 Showcases 1) "Lightning Calculator", with spoke wheels. - 2) "
Groups of Calculating Tools in 2 Showcases 1) "Lightning Calculator", with spoke wheels. - 2) "Produx", "Addiator Rapid" and "Addiator Duplex". - ...
"Doppel-Brunsviga Mod. 13 ZK", c. 1932 1) Sought-after duplex model for special calculating processes. (2-/2) - 2) "Hamann Automat S", c. 1958. El...
3 "Mercedes Euklid" Electrical Calculators, c. 1925 Mercedes Büromaschinen-Werke A.G., Zella-
3 "Mercedes Euklid" Electrical Calculators, c. 1925 Mercedes Büromaschinen-Werke A.G., Zella-Mehlis in Thuringia. 220 V. 1) "Model 21", working or...
4 Logarithmic Calculating Devices 1) Professor Fuller's Slide Rule Calculator, c. 1900. Logarithmic calculating drum by George Fuller, made in Eng...
Collection of 11 "Abacus" Various models: Russian, Chinese and Japanese versions of this early
Collection of 11 "Abacus" Various models: Russian, Chinese and Japanese versions of this early calculating device. - Very informative exhibition p...
"X x X", 1906 Legendary stepped-drum calculating machine by Seidel & Naumann, Dresden. Serial no.
"X x X", 1906 Legendary stepped-drum calculating machine by Seidel & Naumann, Dresden. Serial no. 2061. - Literature: Martin, p. 175. - Superb col...
"Thomas' Arithmomètre", c. 1876 Large model of Thomas de Colmar's calculator of 1820, marked: "
"Thomas' Arithmomètre", c. 1876 Large model of Thomas de Colmar's calculator of 1820, marked: "Arithmomètre - no. 2166". Designed, patented and ma...
"Adix" (Model 1)", 1903 Attractive 3-digit adding machine with 9 keys, pre-clearing model. In
"Adix" (Model 1)", 1903 Attractive 3-digit adding machine with 9 keys, pre-clearing model. In original velvet case. - Very sought-after collector'...
"Diera", 1906 Josef Pallweber, Mannheim. Exceptionally rare successor to the famous "Adix" by same
"Diera", 1906 Josef Pallweber, Mannheim. Exceptionally rare successor to the famous "Adix" by same designer and manufacturer. In original velvet c...
"Certa" Adding Machine Extraordinarily rare designation for the "Adix" of 1903. In all other respects the "Certa" has the same construction as the...
Calculating Drum "Loga", c. 1930 1) Made in Switzerland by Daemen, Schmidt & Co., Zurich. Sought-
Calculating Drum "Loga", c. 1930 1) Made in Switzerland by Daemen, Schmidt & Co., Zurich. Sought-after collector's item! - 2) 4 calculating discs,...
14 Calculating Tools Disc and rack adders: "The Lightning Adding Machine", "Addometer", "Sterling
14 Calculating Tools Disc and rack adders: "The Lightning Adding Machine", "Addometer", "Sterling Automatic", "Addiator Supra", "Maximator", "Addi...
Thacher's Calculating Instrument, 1881 Model 1740, American cylindrical slide-rule, manufactured
Thacher's Calculating Instrument, 1881 Model 1740, American cylindrical slide-rule, manufactured by Keuffel & Esser, New York, serial no. 435, wit...
Russian "Original Odhner", c. 1905 Rare version of the Swedish spokewheel calculating machine from
Russian "Original Odhner", c. 1905 Rare version of the Swedish spokewheel calculating machine from Petrograd production. Serial no. 21797. - Rare!...
"The BriCal - Money Calculating Machine", c. 1905 Large Bri(tish) Cal(culator) for addition in
"The BriCal - Money Calculating Machine", c. 1905 Large Bri(tish) Cal(culator) for addition in British currency (Pound Sterling, Shilling, Pence),...
"BriCal - The British Calculator Mod. 2" (!!), 1908 Adding machine, British currency. In velvet
"BriCal - The British Calculator Mod. 2" (!!), 1908 Adding machine, British currency. In velvet case, with 2 original pens! Zustand: (2-/2-) "BriC...
Burroughs Class 2 Duplex Calculating Machine, c. 1915 No. 17-74972, 220 V electric motor, on tubular
Burroughs Class 2 Duplex Calculating Machine, c. 1915 No. 17-74972, 220 V electric motor, on tubular frame, beveled glass front. Mechanism in work...
Russian Original Odhner Mod. 1 (Arithmometer), 1886 (!) One of the very few known 1st models of
Russian Original Odhner Mod. 1 (Arithmometer), 1886 (!) One of the very few known 1st models of the original Odhner no. 1 "Arithmometer" made in S...
"Tasma Mod. C" Adding Machine, c. 1930 1) Made by Tasma Addiermaschinen, Berlin-Lichter feld,
"Tasma Mod. C" Adding Machine, c. 1930 1) Made by Tasma Addiermaschinen, Berlin-Lichter feld, Germany. Full-keyboard miniature adding machine, vis...
"The Millionaire" Calculator, 1893 Very attractive demonstration model with four Plexiglas sides for
"The Millionaire" Calculator, 1893 Very attractive demonstration model with four Plexiglas sides for viewing the entire mechanism and mechanical c...
7 Quick Adding Machines 1) "Resulta 7", with pen, metal. - 2) "Neckermann Hauskalkulator", plastic. - 3) "Schnell-Rechner", with pen, plastic. - 4...
28 Slide Rules Manufactured by Faber-Castell, Albert Nestler, Karl Weiss and Nestler. Lengths
28 Slide Rules Manufactured by Faber-Castell, Albert Nestler, Karl Weiss and Nestler. Lengths between 6 ¼ and 22 7/8 in. With some manuals. Zustan...
Exhibition Display of "Calculating Discs and Drum" 2 original discs by "K. Emil Tröger, Mylau/
Exhibition Display of "Calculating Discs and Drum" 2 original discs by "K. Emil Tröger, Mylau/Vogtland", and the original calculating drum "Otis K...
Alphabetic Acccounting Machine Burroughs Sensimatic, c. 1960 Model F1700, with data balance and 16
Alphabetic Acccounting Machine Burroughs Sensimatic, c. 1960 Model F1700, with data balance and 16 memory devices, electrically-operated (220 V), ...
Printing Adding Machine "Burroughs" (Class 1), c. 1910 1) Serial no. 61513. 6 rows, mechanical,
Printing Adding Machine "Burroughs" (Class 1), c. 1910 1) Serial no. 61513. 6 rows, mechanical, working, with 3 beveled glass sides. (2-/2-) - And...
7 Spokewheel Calculating Machines 1) "Nova Brunsviga IVa". (3/2-3) - 2) "Triumphator CN2". (3/2) -
7 Spokewheel Calculating Machines 1) "Nova Brunsviga IVa". (3/2-3) - 2) "Triumphator CN2". (3/2) - 3) "Rokli 7R". (2/2) - 4) "Triumphator CN", sti...
Original Curta Collection 1) "Curta Type II" (grey), 1948. Excellent condition! With original
Original Curta Collection 1) "Curta Type II" (grey), 1948. Excellent condition! With original bakelite case and 2 original English instruction boo...
"Saxonia" (Rolltop), 1910 Largest model of the extremely rare German stepped-drum calculating
"Saxonia" (Rolltop), 1910 Largest model of the extremely rare German stepped-drum calculating machine by Schumann & Co., Glashütte. With 10-, 11- ...
Texal Instruments SR-60A, 1977 Programmable desktop calculator, integrated circuits, TMC 0599 memory
Texal Instruments SR-60A, 1977 Programmable desktop calculator, integrated circuits, TMC 0599 memory chips, 95-key keyboard, Dotmatrix LED display...
"Anita MK8", 1961 1) World's 1st electronic calculator, by the British Bell Punch Company. With
"Anita MK8", 1961 1) World's 1st electronic calculator, by the British Bell Punch Company. With revolutionizing "Nixie" type number tubes to displ...
Star Adding Machine, 1922 9-digit model, with carrying handle. Zustand: (3/3-) Star Adding Machine, 1922 9-stelliges Modell mit Tragbügel. - Liter...
9 Mechanical Calculating Machines, 1935 onwards 1) "Brunsviga 10" stepped gear mechanism, no.
9 Mechanical Calculating Machines, 1935 onwards 1) "Brunsviga 10" stepped gear mechanism, no. 152917. - 2) "Madix HM", by VEB Dresden. - 3) Rapid ...
4 Adding Machines, c. 1920 1) 2 x "Burroughs", working. - 2) "Comptometer", defective. - And: 3) "
4 Adding Machines, c. 1920 1) 2 x "Burroughs", working. - 2) "Comptometer", defective. - And: 3) "Comptometer model H", with memory unit, working....
"Mercedes/Gauss" Calculator, 1905 Named after one of the most important mathematicians ever: the
"Mercedes/Gauss" Calculator, 1905 Named after one of the most important mathematicians ever: the German Carl Friedrich Gauss. - Sensationally rare...
"Madas", 1913 Very interesting Swiss stepped-drum calculating machine in good working order, serial no. 3692! - Very interesting collector's item!...
"Peerless Baby", 1904 Rare German miniature stepped-drum calculating machine by Math. Bäuerle, St.
"Peerless Baby", 1904 Rare German miniature stepped-drum calculating machine by Math. Bäuerle, St. Georgen/Black Forest. In good working condition...
Bürk's "Kollektor" Adding Machine, c. 1910 Manually-operated machine by Württembergische Uhrenfabrik
Bürk's "Kollektor" Adding Machine, c. 1910 Manually-operated machine by Württembergische Uhrenfabrik Bürk Söhne, Schwenningen, with four control-w...
"Peerless", 1904 Extremely rare German stepped-drum calculator by Math. Bäuerle, St. Georgen,
"Peerless", 1904 Extremely rare German stepped-drum calculator by Math. Bäuerle, St. Georgen, Black Forest. With decorative wood case. - Literatur...
11 Electronic Calculating Machines Silver-Reed 12 PD - Sharp Compet CS-2184S - Burroughs C5000 -
11 Electronic Calculating Machines Silver-Reed 12 PD - Sharp Compet CS-2184S - Burroughs C5000 - Texas Instruments TI-450 - Sanyo ICC-805 - Triump...
6 Spokewheel Calculating Machines 1) "Thales Patent MEZ". (3/2) - 2) "Walther WSR 160". (2/2) -
6 Spokewheel Calculating Machines 1) "Thales Patent MEZ". (3/2) - 2) "Walther WSR 160". (2/2) - 3) "Brunsviga 11", electrical, untested. (2/-) - 4...
Olympia CD400 Desktop Calculator, 1970 No. 0212-27624, 12 digits, Nixie tubes, 100-240 V, working,
Olympia CD400 Desktop Calculator, 1970 No. 0212-27624, 12 digits, Nixie tubes, 100-240 V, working, with manual. Zustand: (3+/2) Tischrechner Olymp...
"Robotron Mod. 314", 1972 Electrical 3-species feed-rack adding machine (220 V) by the East German
"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...
6 Spokewheel Calculating Machines 1) "Thales Patent". (2/3) - 2) "Brunsviga 11E", electrical,
6 Spokewheel Calculating Machines 1) "Thales Patent". (2/3) - 2) "Brunsviga 11E", electrical, untested. (2/-) - 3) "Schubert". (2/2) - 4) "Thales ...
4 Electrical Calculators, c. 1925 1) "Archimedes" model LK, 220 V, working. - 2) "Archimedes" modell
4 Electrical Calculators, c. 1925 1) "Archimedes" model LK, 220 V, working. - 2) "Archimedes" modell NE, 220 V, working. - 3) "Marchant", USA, 115...
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