Last Updated:2025/12/02
Sentence

歴史家は修復された木製の球形信号装置を指し示し、それが塗装された木球で機関士に接近する列車を知らせていた仕組みを説明した。

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The historian pointed to the restored ball signal and explained how its painted wooden spheres warned engineers of approaching trains.

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The historian pointed to the restored ball signal and explained how its painted wooden spheres warned engineers of approaching trains.

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Related words

ball signal

Noun
historical
Japanese Meaning
(歴史的)初期のアメリカ鉄道で使用された、木製の球を上下させることで信号を表示する機械式信号装置。球は様々な色に塗装され、ロープと滑車を用いて操作される。
What is this buttons?

歴史家は修復された木製の球形信号装置を指し示し、それが塗装された木球で機関士に接近する列車を知らせていた仕組みを説明した。

Related Words

plural

English - English

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