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Making the arithmometer count (11479 words) |
 | The arithmometer was not however the first machine to accomplish the four basic arithmetical operations of addition, subtraction, multiplication and division – earlier machines such as those of Hahn and Müller had achieved this level of functionality in the 18th century. |
| The arithmometer was granted an honourable mention in the jury report but was clearly considered inferior to the submission of the Hungarian emigré doctor Didier Roth, who obtained a bronze medal for his adding and calculating machines and counters. |
| In Germany, the arithmometer had been referred to as early as 1823,50 and its revised form was publicised in an 1862 booklet by Franz Reuleaux. |
| Life and works of W. T. Odhner - Rechnerlexikon (10845 words) |
| In spite of the importance of the Odhner pinwheel calculating machine (arithmometer) spread in hundreds of thousands of examples over the whole world, not very much is known about its inventor Willgodt Theophil Odhner (1845-1905) and the development process of the device. |
| The arithmometer of Thomas is not mentioned in the statement and it is evident that the referees did not know it. |
| The ”first” arithmometer with calculating capacity 9, which Martin claims to stem from the year 1874, is the one that was finished in 1876 and depicted in the newspaper article [9] and the letter [28]. |
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