Rag-and-chain pump being used to raise water from

Rag-and-chain pump being used to raise water from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut

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1556 Agricola Basle Bauer Connecting Mechanism Metallica Pseudonym Rag-and-chain Rags Raise Spur Transfer Turning

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