| 单词 | grasshopper-beam |
| 释义 | > as lemmasgrasshopper-beam grasshopper-beam n. now historical and rare (in a beam engine) a beam which is pivoted at one end, rather than at its centre; cf. grasshopper engine n. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > levers working beam1744 beam1759 lever1759 side lever1804 lever-beam1824 walking beam1824 sway-beam1839 grasshopper-beam?1865 ?1865 Z. Colburn in Z. Colburn et al. Locomotive Engin. (1871) ii. 43/2 The cylinders were placed vertically, and ‘grasshopper’ beams and spur gearing were employed..to communicate the motion to the wheels. 1929 Fairbanks (Alaska) Daily News-Miner 12 Aug. 6/3 Some [parts] were rescued and deposited in the Smithsonian institution, including the boiler, a cylinder, a ‘grasshopper beam’, and the wheel rims. 2004 J. L. Shagena Who really invented Steamboat? viii. 223 (caption) Evans's high-pressure, noncondensing steam engine with an overhead grasshopper beam. < as lemmas |
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