The arithmometer (French: arithmomètre) was the first digital mechanical calculator strong and reliable enough to be used daily in an office environment...

The Odhner Arithmometer was a very successful pinwheel calculator invented in Russia in 1873 by W. T. Odhner, a Swedish immigrant. Its industrial production...

arithmometer was the only type of mechanical calculator available for sale until the industrial production of the more successful Odhner Arithmometer...

working in St. Petersburg, Russia. He was the inventor of the Odhner Arithmometer, which by the 1940s was one of the most popular type of portable mechanical...

business equipment. The company was founded in 1886 as the American Arithmometer Company by William Seward Burroughs. The company's history paralleled...

Thomas de Colmar when he used it, a century and a half later, in his Arithmometer, the first mass-produced calculating machine. It was also used in the...

extremely popular with the success of Thomas' Arithmometer (manufactured 1850s) and Odhner Arithmometer (manufactured 1890s). In "Machina arithmetica...

the first commercially successful mechanical calculator, known as the Arithmometer. Additionally, he founded the insurance companies Le Soleil and L'aigle...

100th anniversary of the invention of the arithmometer, Torres presented in Paris the Electromechanical Arithmometer, which allowed a user to input arithmetic...

Theophil Odhner (1845–1905), Swedish engineer and inventor of the Odhner Arithmometer working in Russia Nils Johan Teodor Odhner (1879–1928), Swedish arctic...

100th anniversary of the invention of the arithmometer, Torres presented in Paris the Electromechanical Arithmometer, a prototype that demonstrated the feasibility...

mechanical calculator industry in 1851 when he released his simplified arithmometer (it took him thirty years to refine his machine, patented in 1820, into...

multiplication feature to the Pascaline. In 1820, Thomas de Colmar designed his arithmometer, the first mechanical calculator strong enough and reliable enough to...

banking industry, and adoption spread. Burroughs founded the American Arithmometer Company in 1886. After his death, in 1904 partner John Boyer renamed...

forty years later, by 1890, about 2,500 arithmometers had been sold plus a few hundreds more from two arithmometer clone makers (Burkhardt, Germany, 1878...

The American Arithmometer Company was an American manufacture organized in St. Louis, Missouri in 1886 by William S. Burroughs that produced adding machines...

100th anniversary of the invention of the arithmometer, Torres presented in Paris the electromechanical arithmometer, which consisted of an arithmetic unit...

the office of a life insurance company at St. Louis, he had seen an arithmometer, a calculating machine devised by Charles Xavier Thomas around 1820 and...

Industrial Revolution had produced mass-market calculators like the arithmometer and the enabling technology of the punch card. Charles Babbage proposed...

numbers Vehicle identification number – System for identifying vehicles Arithmometer – 19th-century mechanical calculator patented by French inventor Thomas...

A Walther WSR160 arithmometer from 1960. Each turn of the crank handle adds (up) or subtracts (down) the operand set to the top register from the value...

calculator in 1685 and invented the Leibniz wheel, later used in the arithmometer, the first mass-produced mechanical calculator. In philosophy and theology...

was the first machine in production to challenge the supremacy of the arithmometer and its clones; but not immediately, it took almost three years to sell...

Order of Studies John Scott Medal, Franklin Institute Mechanical Calculators of the 19th Century Hill Arithmometer U.S. Patent 18692 T. Hill Arithmometer...

stylus was used to turn the dials. Later devices of this type include the Arithmometer, in the 1860s; and the Addiator, in 1920. The Addiator was a pocket mechanical...

the launch vehicle and the satellite were initially calculated using arithmometers and six-digit trigonometric tables. More complex calculations were carried...

gun – Thorsten Nordenfelt Northrop Loom – James Henry Northrop Odhner Arithmometer – Willgodt Theophil Odhner Odón device – Jorge Odón Ormerod link – Edward...

the 1990s. Even the 1874 invention of mechanical calculator, Odhner arithmometer, had not replaced them in Russia. According to Yakov Perelman, some businessmen...

Back of the arithmometer and XYZ computer control unit...

said to encapsulate most of the elements of modern computers. Odhner Arithmometer, 1873 – W. T. Odhner's calculator who had millions of clones manufactured...