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bn:01228890n
Noun Concept
AR
حاسبة الدولاب على الهواء
EN
A pinwheel calculator is a class of mechanical calculator described as early as 1685, and popular in the 19th and 20th century, calculating via wheels whose number of teeth were adjustable. Wikipedia
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IS A
آلة حاسبة ميكانيكية
HAS KIND
EN
Odhner Arithmometer
Wikipedia Translations
AR
حاسبة الدولاب على الهواء

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