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bn:01228890n
Noun Concept
PT
calculadora pinwheel
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
Relations
Sources
IS A
máquina calculadora
HAS KIND
EN
Odhner Arithmometer
Wikipedia Translations
PT
calculadora pinwheel

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