Step-drum Calculating Machine "Curta Type I" 1948

'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! '

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

Vintage Curta Type 2 Calculating Machine with Associated Literature. Comprising the calculator, case, collection of manuals and other related papers. The calculator underside with 'Type II / No 537278

Curta Type II Calculator, 1956 Curt Herzstark, Vienna and Liechtenstein. Serial no. 509282, four-species miniature calculating machine, with 11, 8 and 15 digits, with original tin case, working. The s

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

Very Early Curta Type I Miniature Calculator, 1948 No. 3957, four basic operations, stepped-drum calculator, by Curt Herzstark, 8, 6 and 11 digits, with the notable features of early models: round se

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

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

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

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

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

Curta Type II (Grey), 1948 Curt Herzstark, Liechtenstein. Excellent condition! With original bakelite case and German instruction manual. Serial no. 530139. - Very desirable! Curta Type II (grau), 1

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

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

'Curta Type II (Grey), 1971 Serial no. 561550. Small mechanical stepped-drum calculator by Curt Herzstark, Vienna/Liechtenstein. With original metal box, 2 German instructions and sales box with ident

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

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