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II. A calculation of the velocity of the air moved by the new-invented centrifugal bellows of 7 feet in diameter, and 1 foot thick within, which a man can keep in motion with very little labour, at the rate of two revolutions in one second
Author(s) -
John Theophilus Desaguliers
Publication year - 1735
Publication title -
philosophical transactions of the royal society of london
Language(s) - English
Resource type - Journals
eISSN - 2053-9223
pISSN - 0261-0523
DOI - 10.1098/rstl.1735.0010
Subject(s) - bellows , foot (prosody) , centrifugal fan , geometry , engineering , mechanical engineering , physics , acoustics , mathematics , art , inlet , literature
When the wheel revolves upon its axis, which is performed in this machine every revolution in about half a second, theaAir may be considered as divided into as many concentrical circumferences as there are particles of air contained between the least and the greatest circle

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