Cooling Water for Hardening Steel

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A method to cool a large number of steel during the hardening process. The top barrel A drains the water into barrel B, then the overflow from barrel B goes is directed into barrel C. The pump transfers back the overflow back into barrel A using a pipe.

Source

Grimshaw, Robert Modern Workshop Hints (Philadelphia, PA: Sampson Low Marston & Company LTD, 1902)

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