| 单词 | touch needle |
| 释义 | > as lemmastouch needle touch needle n. [in sense (b) after German Streichnadel (15th cent. as streich nadil)] now historical †(a) the magnetic needle of a compass (cf. sense 11) (obsolete rare); (b) any of a set of needles or small bars of gold or silver of varying purity used in conjunction with a touchstone in assaying (also called proof needle). ΘΚΠ society > occupation and work > equipment > metalworking equipment > [noun] > equipment for testing quality of metal needle1469 touchstone1530 parting glass1594 proof needle1683 stroking needle1683 touch needle1683 Lydian-stone1720 scorifier1758 sebilla1839 sonometer1849 quantometer1927 a1632 T. Dekker Wonder of Kingdome (1636) ii. i. sig. C4v I finde it, for being loyall, As the touch-needle to one starre still turning. 1683 J. Pettus tr. L. Ercker i. xxiv. 63 in Fleta Minor i The silver Touch-Needles [Ger. Streichnadeln] (which are also called Proof-Needles). 1763 W. Lewis Commercium Philosophico-technicum 124 Accustoming himself to compare the colours of a good set of Touch needles. 1884 F. J. Britten Watch & Clockmakers' Handbk. (new ed.) 266 Touch needles are small bars of gold, one each of all the different standards likely to be tested. 1991 J. Blair & N. Ramsay Eng. Medieval Industries vi. 113 The colour of the resulting mark on the touchstone was compared with marks produced on the same stone by alloys of known composition, in the form of touch-needles. < as lemmas |
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