File:17th-century-mechanical-calculators.jpg
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Date/Time | Dimensions | User | Comment | |
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current | 07:15, 28 September 2010 | 2,000 × 1,194 (1.88 MB) | Edal | {{Information |Description={{en|1=17th century mechanical calculators by Blais Pascale in the french Musée des Arts et Métiers, Paris}} {{bg|1=Механичните калкулатори на Блез Паскал от 17в. в Музея на изк� |
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