History of the Signal Service : With Catalogue of Publications, Instrument and Stations PDF
by United States; Army; Signal Corps
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As one by one, yet all independently, the coast signal Observers on any day tele graph to the central office the same significant tidings of the ocean indications of an Atlantic gale - the intensity and direction of the swell - their concurrent observations often present unmistakable proofs of the presence, course, and progress1ve rate of these menacing storms.
The intelligence thus afforded is indispensable to the storm-warning and weather-prediction work of the Washington authorities.
But, apart from the meteorological value of such a coast Signal Service, its inci dental contributions to the life-saving stations have already proved of the greatest assistance.
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- Format:PDF
- Publisher:Forgotten Books
- Publication Date:27/11/2019
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- ISBN:9780243729036
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-
Download Now
- Format:PDF
- Publisher:Forgotten Books
- Publication Date:27/11/2019
- Category:
- ISBN:9780243729036