somersault signal

名词 n.

英文释义

名词 n.
  1. A semaphore railway signal that is pivoted in the centre of its arm.
    — Realising their shortcomings, BR stripped out most of the smaller wayside stations between Peterborough and Grimsby on September 11 1961, although not those on the branches because there would have been nothing left to sustain them. Those that survived were working museums right to the end, with somersault signals and original interior fittings and signage.

词形变化

somersault signals plural
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