Обложка Ceiling Fan
Название книги:

Ceiling Fan

Alphascript Publishing (2013-01-11 )

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ISBN-13:

978-613-1-79709-5

ISBN-10:
6131797099
EAN:
9786131797095
Язык Книги:
Английский
Краткое описание:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A ceiling fan is a device suspended from the ceiling of a room, which employs hub-mounted rotating paddles to circulate air. The first ceiling fans appeared in the 1860s and 1870s, in the United States. At that time, they were not powered by any form of electric motor. Instead, a stream of running water was used, in conjunction with a turbine, to drive a system of belts which would turn the blades of two-blade fan units. These systems could accommodate several fan units, and so became popular in stores, restaurants, and offices.
Издательский Дом:
Alphascript Publishing
Веб-сайт:
http://www.alphascript-publishing.com/
Edited by:
Frederic P. Miller, Agnes F. Vandome, John McBrewster
Количество страниц:
80
Опубликовано:
2013-01-11
Акции:
В наличии
Категория:
Технология
Цена:
2897.18 руб
Ключевые слова:
ceiling, electric, air, Emerson, Potentiometer, Energy

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