Diera Calculating Machine, 1911 onwards

Adimul Calculating Machine, 1913 onwards Adix Company Pallweber & Bordt, Mannheim, Germany. Variant 2, serial no. 961, switching latch column adder with 2-row numeric keypad and eleventh key for carri

Kuli Calculating Machine, 1913 onwards Adix Company Pallweber & Bordt, Mannheim, Germany. Variant 1, serial no. 598, switching latch column adder with 2-row numeric keypad. Multiplications are possibl

XxX ('X multiplied by X') Calculating Machine, 1906 onwards Seidel & Naumann, Dresden. Early serial no. 741, stepped-drum machine with setting slides, 9 input sliders, 8-digit revolution counter, 13-d

XxX ('X multiplied by X') Calculating Machine, 1906 onwards By Seidel & Naumann, Dresden. Stepped-drum machine with setting slides, early serial no. 571, 8, 7 and 12 digits. - Literature: Martin, p.

2 TIM (Time Is Money) Calculating Machines, 1907 onwards Stepped-drum calculating machines by Ludwig Spitz, Berlin. 1) Model III, no. 14234, sliders, 8, 9 and 16 digits, with tin cover. - And: 2) Mod

4 Calculating Machines 1) Schubert E, no. 1218, c. 1965, pin-wheel machine with keyboard input, sticking. - 2) Facit CA 1-13, 1964 onwards, Sweden, electric pin-wheel machine, untested, with advertisi

4 Spoked-Wheel Calculating Machines and a Demonstration Model 1) Rema I, 1914 onwards, Braunschweiger Rechen­maschinenfabrik Rema GmbH, serial no. 4340, with 9, 8 and 13 digits, with wood base an

13 Calculating Machines 1) Calco, c. 1922, spoked-wheel calculator by Nordisk Regnemaskinefabrik, Danmark, 9, 8 and 13 digits, missing crank, mechanism sticks. - 2) Contex model A, 1945 onwards, Danis

6 Spoked Wheel Calculating Machines 1) Double-Brunsviga, model D 18 R, 2 x 10, 2 x 8 and 2 x 18 digits, working, c. 1956 onwards. - 2) Sigma, model 51LVR/S, 12, 11 and 22 digits, mechanism sticks sli

6 Spoked Wheel Calculating Machines 1) Brunsviga, model 20, no. 204247, 12, 12 and 20 digits, 1934 onwards. (2-3/2) - 2) Walther, model RMKZ, no. 32628, 10, 8 and 13 digits, 1936 onwards, mechanism s

6 Calculating Machines 1) "Torpedo Schnell Addiermaschine", Germany, rocker arm, bakelite case, 1933 onwards. - 2) Summira 7, Germany, toothed wheel, c. 1955 onwards. - 3) Addac, USA, roller counter,

6 Spoked Wheel Calculating Machines 1) Brunsviga, model 20, 12, 11 and 20 digits, working, 1934 onwards. - 2) Triumphator, model CRN, 6, 8 and 13 digits, mechanism sticks, c. 1941. - 3) Walther, mode

1905 Baldwin calculating machine, Very good condition, same pcs as National Museum of American History. 10"1/2 x 7" x 7"

'"The Millionaire" Calculating Machine, 1918 Rare Swiss electric calculating machine for all 4 basic arithmetic operations, by Otto Steiger, St. Gallen, Switzerland. Based on the design of Leon Bollé

"The Millionaire" Calculating Machine, c. 1900 Serial no. 288, rare calculating machine for all 4 basic arithmetic operations, by Otto Steiger, St. Gallen, Switzerland, based on the design of Leon Bol

Omega Art-Nouveau Calculating Machine, 1904 Präzisions-Maschinenfabrik Justin Wilhelm Bamberger & Co. in Munich. German patent no. 195509, two-part calculating aid consisting of a wood case with

"Kuli" Calculating Machine, 1909 Very attractive and extremely rare German calculating machine for all four arithmetical operations! Serial no. 1111! - With original wooden case. - A superb collector

Twin Marchant Calculating Machine, c. 1942 Consisting of 2 Marchant XL spoked-wheel calculating machines by Marchant Calculating Machine Co, USA, assembled in England and distributed by Block & Anders

The Millionaire Calculating Machine, 1895 Constructor: Otto Steiger, St. Gallen, after Leon Bollée's invention, manufacturer: Hans W. Egli, Zurich, Switzerland. Early model of the famous calcula

Kuli Calculating Machine, 1909 Very attractive and extremely rare German calculating machine for all 4 arithmetical operations! Low serial no. 238! – No key top for "2". With original wooden case. �

Alpina Calculating Machine, 1961 Alpina-Werke in Kaufbeuren, Germany. No. 6887, rare and final model of the stepped-drum calculator, with scarce base, good original condition. Serial no. 6887. - Very

"Kuli" Calculating Machine, 1909 Very attractive and extremely rare German calculating machine for all 4 arithmetical operations! Low serial no. 579! – A superb collector's item and a spectacular ex

Swiss "Conto" Model C Calculating Machine, 1912 Manufacturer: "Carl Landolt Rechenmaschinen Thalwil b/Zürich", Switzerland. Spoked-wheel 8-digit adding machine, in brass case, original casket. A rar

"Kuli" Calculating Machine, 1909 Very attractive and extremely rare German calculating machine for all four arithmetical operations! Low serial no. 806! – With original manual and wood case. – A