单词 | minute wheel |
释义 | > as lemmasminute wheel minute wheel n. the wheel that moves the minute hand of a clock or watch. ΚΠ a1594 Guildhall Lib. Churchwardens' Accts. (St Benet Gracechurch MS 1568/1) 346 Itm payd for a mynitt whele rop ffor the cloke 0-1-4. 1797 Encycl. Brit. V. 74/2 The minute and hour hands turn on the end of the arbor of the minute-wheel. 1870 Manufacturer & Builder Mar. 77/1 Behind the bell, N, b is connected with a pawl..which catches the teeth of the minute-wheel..and advances it one tooth every second. 1975 U.S. Patent 3,888,077 1 The minute-wheel and pinion of mechanical watch movements often comprise a pinion which is thicker than the wheel. < as lemmas |
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