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Projects in Science

by John F. Woodhull � 1916

A certain man became the possessor of a motor boat which filled his summer with projects for interesting study. By inquiry, by reading, and by experiment, he found that a very small amount of gasoline vaporized and mixed with each cylinder full of air constituted an explosive mixture which, when fired, furnished the power. He found that the proportions were fixed within very narrow limits; say, four drops to each quart of air. Varying the proportions to either three or five drops would result in a weaker explosion; hence the necessity of a very careful adjustment in the carburetor.

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Cite This Article as: Teachers College Record Volume 17 Number 1, 1916, p. 31-39
http://www.tcrecord.org ID Number: 6292, Date Accessed: 9/2/2010 10:36:55 PM

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