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Lexicon article of the week

Mohs hardness scale — in short Mohs

The so-called Mohs scale assigns the numbers from 1 to 10 to the material hardness 1 for the softest, 10 for the hardest. It is named after the German geologist and mineralogist Friedrich Mohs (1773-1839). Mohs scratched different minerals against each other and so aligned them according to their hardness. Mohs (MOH) therefore holds as a measuring unit for the material hardness …

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[[:Oscillating system]] of a mechanical watch (click to enlarge!)
Oscillating system of a mechanical watch

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portal_watch_knowledge.txt · Last modified: 02.12.2022 21:31 by gerdlothar

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