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Title: Ratchet governor from a water-wheel made under H.J.H. King's [Go to resource]
Description: Ratchet governor from a water-wheel made under H.J.H. King's patent of 1879 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: speed governor Source: Science Museum Identifier: 1973-542 Go to resource More Like this...
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