Bunzel-Delton Calculator Calculating Rechenmaschine

Hugo Bunzel Arithmometer, Vienna, c. 1905 No. 3765, engraved "Bunzel, Calculating Machine Factory Vienna", spoked-wheel calculating machine for all four arithmetical operations, mahogany case with fol

Compometer Company Calculator. Patented 1887 to 1920. Height: 5-1/2" with keys. Length: 15". Width: 9-1/2". Along with Munroe Calculating Company Calculator. Height: 7-1/2". Width: 16". Length: 15". C

8 Calculating Clocks 1) Fowlers's Textile Calculator, type B, 1927 onwards, Fowler & Co., Manchester, Ø 3 2/5 in., in leather case. - 2) Halden Calculex, 1908 onwards, Joseph Halden, Manchester,

Calculator Eclair, c. 1920 Large French calculating disc by Suresnes. 13 ¾ in. diameter. - Unusual and decorative collector's item. Calculateur Eclair, um 1920 Große französische Rechen

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

8 Calculating Clocks and Discs 1) Fowlers's Magnum Long Scale Calculator, c. 1930, Fowler & Co., Manchester, Ø 4 3/5 in., in leather case. - 2) Lord's Calculator, c. 1900, R. Waddington, Coventry

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

2 Logarithmic Calculating Drums 1) Professor Fuller's Spiral Slide Rule Calculator, 1889 onwards, made in England by Stanley, with wood handle, in mahogany case. - And: 2) Calculator Loga, 23 3/5 in.

Cutaway Model of a Dactyle Calculator, c. 1900 Machine à Calculer Dactyle - Paris. No. 70, working condition. Schnittmodell einer Dactyle-Rechenmaschine, um 1900 Machine à Calculer Dactyl

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 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, 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

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

'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! '

Mahogany Cased Slide rule or cylinder calculator by Edwin Thatcher. Mahogany and Brass mounts. Complete, Original. Very good to excellent condition with minor signs of gentle use, but no wear or damag

Calculating Drum and Tools 1) Albert Nestler's logarithm calculating drum, 24 ½ in. wide, paper slightly damaged, c. 1935. - 2) Aristo-Calculator no. 622, Ø 4 ¾ in. - 3) Addiator Duple

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

2 Logarithmic Calculating Drums 1) Professor Fuller's Spiral Slide Rule Calculator, 1889 onwards, made in England by Stanley, length of the barrel 11 ¾ in., with wood handle, in mahogany case. -

Calculating Machines and Calculating Aids 1) "Burroughs Class 8" adding machine, c. 1925, no. 8A184025, lever-operated, with printer. - 2) 6 disc adders: "The Lightning Calculator"; 2 examples of the

Lehmann, Primus 840 Calculating Machine, Germany pw, tin, function ok, C 1/2, C 1-

'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

Triumphator Type I Calculator, c. 1914 No. 5370, Triumphator-Werk in Leipzig-Mölkau, large spoked-wheel calculating machine with 9, 8 and 13 digits. - Literature: Martin, p. 154. - Rare model! Re

Brunsviga D13 R-2 Spoked-Wheel Calculating Machine, 1956 Grimme & Natalis, Braunschweig. No. 289038, twin calculator for special surveying calculations, 2 x 10, 8 and 13 digits, very good working cond

8 Calculating Tools Disc and rack adders: Maximator, 2 x Produx, Arithma, Addometer, Addiator, The Gem Calculator and Addiator Supra. 8 Rechenhilfsmittel Zahnstangen- und Scheibenaddierer: Maximato