| 单词 | quarter screw |
| 释义 | > as lemmasquarter screw quarter screw n. now rare each of the four screws in the compensation balance of a watch or clock, which can be repositioned or replaced by heavier or lighter screws in order to neutralize the effects of temperature variation. ΚΠ 1881 F. J. Britten Watch & Clockmakers' Handbk. (ed. 4) 67 Drawing out the quarter screws of the balance nearest the fast position..and setting in the ones nearest the slow position. 1948 A. L. Rawlings Sci. Clocks & Watches (ed. 2) viii. 147 The quarter screws, which would be useful even in a common watch for poising the balance, are hardly ever seen when sham compensation screws are provided. 1958 L. E. C. Hughes & C. F. Tweney Chambers's Techn. Dict. (ed. 3) 749 The screws in the rim of a compensation balance, excluding the quarter screws. < as lemmas |
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