"Perpetuum mobile" Eine Mühle als Perpetuum mobile: Ein Löffelrad treibt einen Mahlgang an und liefert gleichzeitig auch noch die Energie um das zum Antrieb benötigte Wasser über eine Archimedische Schraube wieder ins Wasserbecken hoch zu pumpen. Die Mühle würde damit sowohl die für ihren eigenen Betrieb notwendige Energie als auch zusätzlich Nutzenergie erzeugen.
Source: Foto: Deutsches Museum
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