- signal (mounted) on post
- Железнодорожный термин: мачтовый сигнал
Универсальный англо-русский словарь. Академик.ру. 2011.
signal (mounted) on post
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post horn — noun wind instrument used by postilions of the 18th and 19th centuries • Hypernyms: ↑wind instrument, ↑wind * * * noun Etymology: post (IV) : a simple straight or coiled brass or copper wind instrument with cupped mouthpiece used especially by… … Useful english dictionary
post horn — noun historical a valveless horn used to signal the arrival or departure of a mounted courier or mail coach … English new terms dictionary
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Whistle post — A whistle post (or whistle board), in railroad usage, is a sign marking a location where a locomotive engineer is required to sound the horn or whistle.United StatesWhistle posts in the United States were traditionally placed about one quarter… … Wikipedia
doll post — noun : a railroad signal consisting of a short post mounted on a bracket … Useful english dictionary
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Australian railway signalling — Just as the railways of Australia has suffered issues from incompatible rail gauges, the different states have tended to go their own way regarding railway signalling practice.New South WalesThe signalling system in New South Wales consists… … Wikipedia
History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… … Wikipedia
Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R … Wikipedia
