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单词 throw wheel
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throw wheel
throw wheel n. now historical the large driving wheel of a hand-driven lathe. [Compare earlier throwing wheel n. at throwing n.2 Compounds 3.]
ΚΠ
1803 Newcastle Courant 17 Sept. (advt.) Sets of Joiner's Tools, with a Throw-Wheel and Frame.
1884 F. J. Britten Watch & Clockmakers' Handbk. (new ed.) 255 Throw, a clockmaker's ‘dead centre’ lathe... A gut connects the large throw wheel with a small pulley rotating freely on the lathe centre.
2003 T. Mercer Mercer Chronometers i. 32 He was a flawless craftsman and all his work was done between centres and simple tools, using the bow or a throw wheel and turning with Lancashire steel gravers.
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