| 单词 | repeater signal |
| 释义 | > as lemmasrepeater signal e. Railways. A signal indicating the status of another signal which is out of sight. Also more fully repeater signal. ΚΠ 1859 Brit. Patent 2119 (1860) 1 An improved disc & lantern signal with double repeaters for the purpose of showing those in charge, if the signal has acted properly. 1874 R. C. Rapier On Fixed Signals Railways 61 It would be observed that, by means of the repeater, the signalman knew directly the train had come within the distant signal. 1904 Times 11 May 7/4 He was positive that the electric repeaters of the shunting lines were at danger and that the shunting signal was on. 1963 G. M. Kichenside & A. Williams Brit. Railway Signalling ix. 96 Stop signals..normally show red or green, and repeater signals..show red, yellow, and green. 1991 Mod. Railways Apr. 183/1 The report recommends the provision of a banner repeater signal for signal 168. 1992 S. Hall BR Signalling Handbk. xv. 49/1 Signal light repeaters. These instruments are provided for signals out of the signalman's sight and tell him whether the lights in the signals are in or out. < as lemmas |
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