| 单词 | electric bridge |
| 释义 | > as lemmaselectric bridge electric bridge n. †(a) Telegraphy a telegraph wire which connects two land masses (obsolete); (b) an arrangement of electrical circuits used for measuring the resistance of an element of the circuit.The arrangement of circuits in sense (b) was described by Charles Wheatstone in 1843 ( Philos. Trans. (Royal Soc.) 133 303), where he called it a rheometer (p. 307). Cf. Wheatstone bridge n. at Wheatstone n. a. ΚΠ 1857 Weekly Racine (Wisconsin) Advocate 29 Apr. 2/6 The Submarine Telegraph wire between England and America. This electric bridge for the travel of thought across the Atlantic..will span a distance..of sixteen hundred and fifty miles. 1867 M. L. Booth Hist. City of N.Y. 858 The successful laying of the Atlantic Telegraph Cable... The continents linked together by an electric bridge. 1876 F. Guthrie Magn. & Electr. ii. v. 228 Making the use of the electric bridge described in Art. 250..the two resistances [are] balanced. 1911 Proc. Amer. Philos. Soc. 50 460 Since 1899, when the electric bridge was first put into practical use, various improvements have been made. 1995 E. A. Davis Sci. in Making I. v. 215 It is said that the lecture for that evening was to have been given by Sir Charles Wheatstone (whose name has been immortalized in the Wheatstone electric bridge). < as lemmas |
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