150th Specialty Auction»Office Antiques«»Science & Technology«»Mechanical Music«»Automata & Fine Toys«

Tate's Patent Arithmometer, c. 1910C. & E. Layton, London. Rare English stepped-drum Arithmometer for all four basic arithmetic operations, 8, 9 a...

Curta Type I Calculator, 1955Curt Herzstark, Vienna/Liechtenstein. Serial no. 25100. With original tin case. As the smallest miniature stepped-dru...

"Certa" Adding MachineExtraordinarily rare model of the "Adix" of 1903, with the same construction, with original velvet case. - Serial no. 3774. ...

Brass Stepped-Drum Calculating Machine "Bunzel", 1908Very rare and unusual brass stepped-drum calculating machine by Bunzel Werk, Vienna/Austria. ...

4 Mechanical Calculating Machines1) Rheinmetall model D Ic, full keyboard, 1926 onwards. - 2) Comptometer, 12-digit adder in copper-tin case, miss...

Edwin Thacher's Cylindrical Slide Rule Calculator Model 4012, c. 1915Patented by Edwin Thacher Nov. 1st 1887, manufactured by "Keuffel & Esser, Ne...

"Millionär" Calculating Machine, 1913Rare Swiss electric calculating machine for all 4 basic arithmetic operations by Otto Steiger, St. Gallen, Sw...

4 Electric Calculating Machines1) Mercedes-Euklid, model 38MS, c. 1940. - 2) Marchant, model EB9, c. 1925. - 3) Rheinmetall, model SASL IIc, c. 19...

Curta "Type I" Calculator, 1970Curt Herzstark, Vienna/Liechtenstein. Serial no. 78680. With original case, cardboard sales box with identical seri...

Curta Type II Calculator (Grey), 1970Curt Herzstark, Liechtenstein. With original tin case. Serial no. 556786. - Very desirable, working condition...

"Millionär" Calculator, c. 1905Early model of the famous calculating machine, manufacturer: Hans W. Egli, Zurich, constructed by Otto Steiger, St....

6 Mechanical Calculating and Adding Machines, 1940-601) Brunsviga, ten keys, bakelite case, mechanism sticks. - 2) The Portable, with printer, Chi...

"Tim Unitas", Calculating Machine, 1912Ludwig Spitz, Berlin. Key-set stepped-drum calculator with double-result sled, 2 x 16, 9 and 10 digits, mis...

4 Calculating Machines, c. 19301) Brunsviga, mechanical, 8, 8 and 13 digits, working. - 2) Rheinmetall, electrical, 7, 6 and 13 digits, additional...

Olivetti Logos 55 Electronic Desktop Calculator, 1974Italy, Texas Instruments TMC1828 mains processor, four basic arithmetic operations, internal ...

Alpina Universal Calculator, 1961Alpina-Werke, Kaufbeuren, Germany. Serial no. V 2099, 4-species stepped-drum calculating machine, plastic body, w...

2 Early Calculating Machines, c. 19301) "Tasma Mod. C", serial no. 600, adding machine made by Tasma-Addiermaschinen, Berlin-Lichterfeld, Germany....

Very Interesting Group of Early Adding Machines, 1900-19501) Adix model 3, von Pallweber & Bordt, Mannheim, 3-digit adding machine with 9 keys and...

4 Mechanical Adding Machines1) Adix column adder, model 3, manufactured by Pallweber & Bordt in Mannheim, 9 keys, 3-digit result counter, with del...

8 Brunsviga Calculating Machines1) Early model B, serial no. 2188, 9, 8 and 13 digits, gilt lettering, mechanism sticks slightly, on wood base wit...

Olivetti Logos 70 Desktop Calculator, 1973Italy, exterior design by Mario Bellini.Zustand: (2-3/-)Tischrechner Olivetti Logos 70, 1973Italien, Geh...

2 Calculator Demonstration Models, c. 1950Mechanical calculating machines, with visible printers.Zustand: (3/3)2 Rechenmaschinen-Demonstrationsmod...

6 Spoked-Wheel Calculating Machines1) Original-Odhner, Sweden, 10, 8 and 13 digits, c. 1925. - 2) Brunsviga 10, 6, 5 and 10 digits, c. 1935. - 3) ...

Toshiba BC-1211S Electronic Desktop Calculator, 1969Japan, for addition, subtraction and multiplication, eliminated division function to reduce co...

Olivetti Logos 245 Electronic Desktop CalculatorItaly, the Logos 200 line was first to be made with integrated circuits (approx. 150 circuits). Th...

2 GDR Calculating Machines1) Daro Cellatron R 44 SM, electromechanical proportional lever table-top calculator, Mercedes-Euklid series, constructe...

Olivetti Underwood 280 Electronic Desktop Calculator, 1973American version of the Divisumma 28, four basic functions with memory, red rubber membr...

6 Calculating Machines1) Triumphator CRN2, 10, 8 and 13 digits, mechanism sluggish, c. 1960. - 2) Hamann Automat S, 9, 9 and 16 digits, electrical...

Bunzel Arithmometer, c. 1910Hugo Bunzel, Prague. Mechanical stepped-drum calculator, serial no. 1068 in wood case, brass, 8 setting slides, counte...

6 Calculating Machines1) Nova Brunsviga II, 10, 10 and 15 digits, working , c. 1930. - 2) Thales adding machine, defective, c. 1950. - 3) Multical...

7 Calculating Machines1) Russian Feliks, no. 893, 9, 8 and 13 digits, missing 1 wingnut, otherwise working, c. 1920. - 2) Triumphator HZN, no. 101...

"XxX" ('X multiplied by X') Calculating Machine, 1906 onwardsBy Seidel & Naumann, Dresden. Stepped-drum machine with setting slides, 9, 8 and 13 d...

4 Mechanical Calculating Machines1) Comptometer, 12-digit adder with copper-tin case, working, c. 1935. - 2) Marchant model H6, stylish California...

Curta Type I Calculator, 1963Curt Herzstark, Vienna/Liechtenstein. Serial no. 51860. With original tin case. As the smallest miniature stepped-dru...

2 Mechanical Calculating Machines1) Comptometer, Felt & Tarrant Mfg. Co., Chicago, USA. 10-digit adder, full keyboard, some keytops a bit damaged,...

Olivetti Logos 58 Electronic Calculator, 1973Italy. Texas Instruments TMC1828 mains processor, MOS-LSI technology, internal plain-paper impact pri...

3 Spoked-Wheel Calculating Machines and 1 Typewriter, c. 1925/301) Trinks-Brunsviga, Grimme, Natalis & Co., Braunschweig. 9, 8 and 13 digits. With...

Calculators, Calculating Tools and Demonstration Model1) Prototype of an adding machine, brass, unmarked, with 10 setting slides, 11 ¾ x 9 ¼ x 2 ¾...

2 Spoked-Wheel Calculating Machines1) Brunsviga model 20, Grimme, Natalis & Co., Braunschweig, serial no. 145521, 12, 11 and 20 digits, with wood ...

4 Calculating Machines1) Madas, no. 41307, electrical, missing 1 button, untested. - 2) Archimedes, Reinhold Pöthig, Glashütte, electrical, untest...

"Curta Type II" (Grey), 1948Curt Herzstark, Vienna/Liechtenstein. With original bakelite case and English instruction manual. Serial no. 561645. -...

"Madas Model IX Te Malaga" Calculating Machine, c. 1925Very interesting Swiss stepped-drum calculating machine with keyboard setting, in good work...

"Curta Type II" (Grey), 1948Curt Herzstark, Vienna/Liechtenstein. With original bakelite case. Serial no. 545127. - Very desirable! Excellent cond...

4 Electric Calculating Machines1) Mercedes-Euklid, model 22, c. 1936. - 2) Robotron, model 314, GDR, with printer, c. 1975. - 3) Rheinmetall, c. 1...

Olivetti Divisumma 26 Electromechanical Desktop Calculator, 1965Italy, four basic functions, paper-strip printer, 110/220 V. Calculator with 2 cou...

Olivetti P203 Bookkeeping Computer System, 1967Italy, successor to the Programma 101, combined with an Editor typewriter, invented by the Italian ...

Olivetti P6060 Personal Minicomputer, 1975Italy, first personal computer with built-in floppy drive in the world, introduced at the Hannover Fair ...

Programing Patchboard, c. 1960/70Interchangeable patchboard with plugs and wires, for programing of tabulating machines and early computers, size ...

Siemens Reperforator T.loch. 12a, c. 1955Paper-tape puncher for 5 rows, full keyboard, electric-driven (220 V), in Swiss Army wood case.Zustand: (...

"Olivetti Programma 102", c. 1966Successor to the first programmable desktop computer Programma 101, invented by the Italian engineer Pier Giorgio...

Olivetti Audit 1513, 1959Italy, for the processing of administrative and accounting documents, electromechanical, for addition, subtraction, divis...

Olivetti P 652 Personal Computer, 1973Italy, modular computer system for processing technical and scientific data, 4-bit RAM CPU, 4 to 32 kb RAM, ...

Italian Brass Telegraph, c. 1895No. 3311, marked: "Societa Telefonica Lombarda Direz Geros Milano", inkwriter, spring motor drive (working), lacqu...

Siemens Telegraph and Pulse Recorder1) Ink writer, spring-driven, paper strip in drawer, with amperemeter and Morse key. - And: 2) Pulse recorder ...

10-Line Intercom Phone by L.M. Ericsson, 1898Stockholm, model HA 150/10, polished walnut case, original handset with speaking horn, bell, good ori...

French Telephone with Rotary DialReproduction, model SIT "Double Tringle", equipped with modern technology, wood case, handset with horn-type micr...

Ericsson AC110 Skeleton TelephoneReproduction from 1976, one of 5000 units manufactured for the Swiss PTT by Ericsson in Sweden, mainly original p...

String Telephones by Max Kohl, c. 1900Physical demonstration models, turned beechwood bodies, parchment membranes, working.Zustand: (2-3/2)Dosente...

Bell-Type Telephone, c. 1880Unmarked, butterstamp telephone, turned softwood, for speaking and listening, with horseshoe magnet, height 6 in.Zusta...

Chad Valley Improved Telephone, 1950sMade by GEC, Great Britain. Intercom telephone, figured walnut bakelite body.Zustand: (2-/-)Chad Valley Impro...