3 Stepped-Drum Calculating Machines

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

Rare Saxonia 3 (Rolltop) Calculator, 1910 Glashütter Rechenmaschinenfabrik Saxonia. No. 12064, German trademark DRGM no. 394014, stepped-drum calculating machine, with 8-, 7- and 12-digit calcula

4 Mechanical Calculating Machines 1) Comptometer, 10-digit adder, c. 1935. - 2) Archimedes, stepped-drum, 9, 9 and 16 digits, c. 1938. - 3) Kuhrt, stepped-drum, 10, 10 and 13 digits, c. 1923. - And:

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

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

Ideal Calculator, c. 1910 Export model of the "Archimedes Mod. A”, manual German brass stepped-drum calculating machine for all 4 arithmetical operations, by Glashütter Rechenmaschinenfabri

Arithmometer "Archimedes Model C 16", 1906 German brass stepped-drum calculating machine for all 4 arithmetical operations, by Reinhold Pöthig, Glashütte, Saxony. Early model with serial no

"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

Madas Model VII T Calculating Machine, 1925 Very interesting Swiss stepped-drum calculating machine with keyboard setting, in good working condition! Manufactured by H.W. Egli AG., Zürich. With

'Saxonia Universal Calculating Machine, c. 1920 Exceptionally rare German stepped-drum calculating machine by Schumann & Co., Glashütte! Serial no. 12477, keyboard setting, 10, 9 and 13 digits, missi

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

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

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.

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

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

'Curta Type I Calculator, 1970 Curt Herzstark, Vienna/Liechtenstein. Serial no. 78958. With original Novodur case. As the smallest miniature stepped-drum machine, a true milestone in calculating histo

'Curta Type I Calculator, 1958 Curt Herzstark, Vienna/Liechtenstein. Serial no. 33704, with original tin case. As the smallest miniature stepped-drum machine a true milestone in calculating history! '

4 Demonstration Models of a Calculating Machine and 3 Typewriters 1) Ideal typewriter, Seidel & Naumann, Dresden, with 4 keys, carriage shift and drum in cross-section. - 2) Torpedo typewriter, key mo

3 Calculating Machines 1) Barrett Figuring Machine A9, c. 1940. Adding machine by Lanston Monotype Machine Corp., Philadelphia, USA. Serial no. A3739. Bakelite case. (3/4) - Literature: Martin, p. 39

Curta Type I Calculator, 1959 Curt Herzstark, Vienna/Liechtenstein. Serial no. 38307, with original tin case, working. The smallest miniature stepped-drum machine and a true milestone in calculating h

Curta Type I Calculator, 1952 Curt Herzstark, Vienna and Liechtenstein. Serial no. 14814, with original tin case, working. The smallest miniature stepped-drum machine and a true milestone in calculati

3 Calculating Drums 1) Albert Nestler's logarithm calculating drum, c. 1935, 14 4/5 in. scale, 24 ½ in. wide, paper worn, minor damage. - 2) Albert Nestler's logarithm calculating drum, c. 1935,

3 Spoked Wheel Calculating Machines 1) Vaucanson model B, 10, 8 and 13 digits, French, c. 1935. - 2) Trinks-Brunsviga model B, 9, 8 and 13 digits, no. 55533, c. 1920. - And: 3) Original-Odhner, Swede

2 Special Calculating Machines 1) Calculating drum "Washington's Et Ultra", 1925, very rare Italian calculating device by engineer Sabatini Washington, Oneglia. Italian patent no. 236298. Designed fo