英语词汇“telegraph block”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

telegraph block n. †(a) Nautical a long narrow casing containing a number of small grooved wheels by which, in signalling, several flags may be raised at the same time (obsolete); (b) a section of railway line with a signal at each end connected by telegraph (now historical and rare).

ΚΠ

1863 S. B. Luce Seamanship (ed. 2) v. 63 Telegraph-Blocks are pyramidal shaped blocks, with a number of small brass sheaves, used for making telegraphic signals.

1895 Proc. Amer. Soc. Railroad Superintendents 1894 39 I would like to ask Mr. Wattson what the difference is between the signals of the telegraph blocks and those of the Sykes systems.

1922 H. Pender Handbk. Electr. Engineers (ed. 2) 1408 The manually-operated signals used in connection with the telephone or telegraph blocks are located at passenger stations.

2003 A. J. Bianculli Trains & Technol. IV. viii. 164 The system invented in England by W. R. Sykes in 1875—a combination of a telegraph block system with interlocked signals and switches—was claimed to be the first interlocked block system.

单词	telegraph block
释义	> as lemmas telegraph block telegraph block n. †(a) Nautical a long narrow casing containing a number of small grooved wheels by which, in signalling, several flags may be raised at the same time (obsolete); (b) a section of railway line with a signal at each end connected by telegraph (now historical and rare). ΚΠ 1863 S. B. Luce Seamanship (ed. 2) v. 63 Telegraph-Blocks are pyramidal shaped blocks, with a number of small brass sheaves, used for making telegraphic signals. 1895 Proc. Amer. Soc. Railroad Superintendents 1894 39 I would like to ask Mr. Wattson what the difference is between the signals of the telegraph blocks and those of the Sykes systems. 1922 H. Pender Handbk. Electr. Engineers (ed. 2) 1408 The manually-operated signals used in connection with the telephone or telegraph blocks are located at passenger stations. 2003 A. J. Bianculli Trains & Technol. IV. viii. 164 The system invented in England by W. R. Sykes in 1875—a combination of a telegraph block system with interlocked signals and switches—was claimed to be the first interlocked block system. extracted from telegraphn. < as lemmas
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