Calculating Discs and Calculating Aids

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

Calculating Disc in Traveling Case, c. 1925 Unmarked, for calculation of up to 10,000, Ø 7 4/5 in. Rechenscheibe in Transport-Kästchen, um 1925 Unbezeichnet, für Berechnungen bis 10.

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

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

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

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

8 Adders and Calculating Aids 1) "The Locke Adder", C.E. Locke Mfg. Co., Kensett, Iowa, 1901 onwards, variant 2a, decorative American adder with Art-Nouveau decoration, copper-plated sheet metal. - 2)

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

Answer Game Calculating Robot, c. 1963 This large robot is a fascinating working adding machine. He adds and substracts, his eyes blink, and a disc revolves in his head, 14 in. high! Manufactured by I

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

Collection of 9 Abaci Various models, Russian, Chinese and Japanese versions of this early calculating device. - In addition: "Nobby Number Line", arithmetic aid for primary schools. Sammlung "Abakus"

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

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, 1918, Switzerland, for calculating 4 basic arithmetic operations, by Otto Steiger, St. Gallen, Switzerland, based on the design by Leon Bollee, manufactured by Han

'"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

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

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,

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

Group Lot of Medical Memorabilia, 15 pieces total, including bandaids, Gillette techmatic Razors, Vick’s bio medic throat discs, Dorothy gray bath bubbles, first aid kit, an Abbet Richmond Blood pre

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

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

"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

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,