单词 | grasshopper-principle |
释义 | > as lemmasgrasshopper-principle grasshopper-principle n. now historical and rare a principle of engine design in which the beam of a beam engine is pivoted at one end rather than at its centre; cf. grasshopper engine n. ΚΠ 1867 Bristol Mercury 16 Nov. 4/1 (advt.) Steamer on sale... She..has Side Lever Engines, on the ‘Grasshopper’ principle. 1890 W. J. Gordon Foundry 100 By the side of the winding engine is the long row of blowing engines, on grasshopper and other principles. 1976 C. A. Sanders & D. C. Gould Hist. Cast in Metal 229 It made the first application of the so-called grasshopper principle to a steam engine. < as lemmas |
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