Henley's Encyclopędia of Practical Engineering and Allied Trades: A Practical and Indispensable Work of Reference for the Mechanical Engineer, Designer, Draftsman, Shop Superintendent, Foreman and Machinist ...

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Joseph Gregory Horner
N.W. Henley Publishing Company, 1908 - Engineering
 

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Page 22 - IF a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another; and the exterior angle equal to the interior and opposite upon the same side; and likewise the two interior angles upon the same side together equal to two right angles...
Page 10 - In any proportion, the product of the means equals the product of the extremes.
Page 65 - ... a where h = loss of head expressed, in feet; L = length of pipe, in feet; v = velocity, in feet per second; d = diameter of pipe, in inches; k = .0056 for pipes up to 6 inches diameter; .0047 for pipes between 6 inches and 21 inches; .0037 for pipes between 21 inches and 48 inches; .0028 for pipes between 48 inches and 72 inches; and .0019 for pipes larger than 72 inches. This formula will give approximate results within at least 10 per...
Page 143 - When four quantities are concerned, and the ratio of the first to the second equals the ratio of the third to the fourth, the four quantities are said to be in proportion.
Page 173 - Simpson's one-third rule," which is as follows : " Divide the base line into an even number of equal parts and erect ordinates at the points of division ; then add together the first and last ordinates, twice the sum of all the other odd ordinates, and four times the sum of all the even ordinates; multiply the sum by one-third of the common distance between ordinates.
Page 154 - Fahr., must stand bending in a press to a curve of which the inner radius is one and a half times the thickness of the plate tested.
Page 143 - In any proportion, the product of the extremes equals the product of the means.
Page 163 - To the areas of the two ends of the frustum add the square root of their product ; multiply the sum by the height of the frustum ; and one-third of the product will be the volume.
Page 9 - ... and an elongation of not less than 25 per cent in a length of 8 inches.
Page 65 - D = diameter of pipe in inches; H = head of water in feet; L = length of pipe in feet; W = cubic feet of water discharged per minute...

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