Tim Unitas Calculating Machine, 1912

4 Mechanical Calculating Machines 1) TIM Unitas, model II, no. 3636, 8, 7 and 2 x 12 digits, c. 1920. - 2) Lindström Record, keyboard, 9, 8 and 13 digits, c. 1920. - 3) Comptometer, adder, 10 ro

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

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 Mechanical Calculating Machines 1) "Tim I" Keyboard, Ludwig Spitz, Berlin, no. 35114, c. 1935, four-species stepped-drum machine by the traditional manufacturer, with 10-digit result register, 7-dig

2 Stepped-Drum Calculating Machines 1) TIM, serial no. 1814, by Ludwig Spitz, Berlin, sliders, 8, 7 and 12 digits, c. 1910. - And: 2) Mercedes-Euklid, model 9, serial no. 11480, by Mercedes Bureau-Ma

8 Calculating Machines 1) "TIM – Time-is-Money", by Ludwig Spitz. – 2) Triumphator H. – 3) Dactyle (#2263). – 4) Brunsviga Mod. A. – 5) Lipsia 1. – 6) Brunsviga 13. – 7) Marchant Pony B.

Arithmometer "Tim", 1909 No. 848, very early model of the famous step-drum calculating machine by Ludwig Spitz, Berlin, with 12, 7 and 8 digits, in wood case, missing lid and 3 setting discs, mechanis

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

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

'"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. �

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

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

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.

"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

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

3 Stepped-Drum Calculating Machines 1) "Archimedes Mod. C2", Reinhold Pöthig, Glashütte, Saxony, no. 5431, c. 1920, four-species machine, with 10 setting slides, 8-digit revolution and 13-di

"Madas" Calculating Machine, 1913 Very interesting Swiss stepped-drum calculating machine in good working condition! Serial no. 5192, 7, 7 and 12 digits. - Attractive collector's item! With instructi