3 Calculating Machines "S&N - Seidel & Naumann" "Di

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

2 Adding Machines 1) "Comptator", 1908. 9-digit calculating machine, with pen and case. (3/3-) – And: 2) Chain adding machine by Seidel & Naumann, Dresden, c. 1910. 9 rows, with case and pen. (3/2)

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.

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

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

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

'4 Mechanical Typewriters 1) "Olivetti M-40", Camillo Olivetti, Ivrea/Italy, carriage train defective, front without screws, c. 1940. (3/4) - 2) "Ideal A3", 1905, Seidel & Naumann, Dresden, serial no.

4 Portable Typewriters 1) Mercedes Superba, 1936 onwards. - 2) Monarch Pioneer, 1933. - 3) Remington, c. 1935. - And: 4) Seidel & Naumann. "Erika", 1927 onwards. 4 Reiseschreibmaschinen 1) Mercedes

6 Spoked Wheel Calculating Machines 1) Brunsviga, model 13, serial no. 174993, 10, 8 and 13 digits, working, c. 1930. - 2) Thales, model AE, 10, 8 and 13 digits, working, c. 1935. - 3) Hannovera, mod

Calculating Machines and Calculating Aids 1) Length measure with counter, "Xylokub", patent pending by Heinrich Siller Gambold, with 2 counters, length 23 3/5 in. - 2) Tantons Decimal Office Ruler, fo

'9 Calculating Machines 1) "Thales A", c. 1914, spoked-wheel machine, serial no. 10485, 9, 8 and 13 digits, mechanism sticks, with wood cover. (3/4) - 2) "Hamann Automat V", c. 1933, switching latch s

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.

4 Spoked-Wheel Calculating Machines 1) "Chateau", by Unis France, Paris. No. 11606, 9, 8 and 13 digits. - 2) "Zagreb", simple version of the Calcorex, no. 21291, 9, 8 and 13 digits. - 3) "Original-Od

7 Spoked Wheel Calculating Machines 1) Brunsviga 10, with 6, 5 and 10 digits, some key caps later, c. 1935. - 2) Trinks-Brunsviga, no. 40372, with 9, 8 and 13 digits, c. 1920. - 3) Walther WSR 110, n

4 Spoked Wheel Calculating Machines 1) Brunsviga MIII, no. 113149, with 9, 8 and 13 digits. - 2) Hamann Manus, no. 9477, with 9, 8 and 13 digits. - 3) Schubert, no. 480611, with 10, 8 and 13 digits.

'6 Spokewheel Calculating Machines 1) "Thales MEZ", c. 1930, serial no. 53198, miniature calculator, 6, 6 and 10 digits, mechanism sticks. (2-3/4) - 2) "Brunsviga 15", Grimme, Natalis & Co., Brunswick

'6 Calculating Machines 1) "Triumphator CRN1", spoked wheel, VEB Triumphator-Werk Rechenmaschinenfabrik Mölkau, GDR, 10, 8 and 13 digits, working, c. 1950. (2-3/2-3) - 2) "Walther R", c. 1935, spoked

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

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

3 Office Machines and a Telephone 1) Thales calculating machine, c. 1925, Thaleswerke GmbH, Rastatt, Germany, no. 23851, with pinwheel gears, 6 digits in the setting mechanism, 10 in the result mechan

'6 Spokewheel Calculating Machines 1) "Trinks-Brunsviga", c. 1910. Model B, Grimme, Natalis & Co., Braunschweig, Germany, 9, 8 and 13 digits, serial no. 60946, working, with tin lid. (3/3) - 2) "Olymp

5 Calculating Machines 1) "Addical 7", c. 1955. – 2) "Stjotmas Mod. B" (Russian Facit copy). – 3) Thales CER. – 4) "Triumphator Ha". – And: 5) "Thales Patent". 5 Rechenmaschinen 1) "Addical 7"

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: