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jan 1, 1820 - Арифмометр Томаса

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1820 год. Чарльз Ксавьер Томас (да, почти как профессор Икс) выпускает арифмометр Томаса, вошедший в историю как первое устройство для счёта, выпускаемое серийно.

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ByАлсу
20 May 2022
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Date:

jan 1, 1820
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~ 204 years ago

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