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air-pump angle axis beam body boiler breadth calculated cast iron centre of gravity centripetal forces circle circumference column constant Cosecant cosine Cotangent crank cross-head cube root cubic feet cubic foot cylinder in inches decimal degrees denominator depth diameter of cylinder difference discharge displacement distance ditto divide the product divisor effect elastic force equal find the area find the diameter foot formula fraction frustum gibs and cutter give half Hence horizontal Hot Blast immersed inches diameter inches of mercury length lever load-water line logarithm motion multiply nearly nominal horse power orifice perpendicular pipe pitch plane pressure Prop proportion quotient radius ratio result revolutions revolutions per minute revolving Rule.—To find secant shaft side side rod solidity specific gravity square feet square inch square root steam subtract Suppose Table Tangent temperature thickness triangle tube valve velocity versed sine weight wheel
Page 18 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Page 10 - Moors about eight or nine hundred years since : viz- 1 one, 2 two, 3 three, 4 four, 5 five, 6 six, 7 seven, 8 eight, 9 nine...
Page 240 - Rule : Multiply the square of the diameter of the cylinder in inches by the cube root of the stroke in feet, and divide the product by 47. The quotient is the nominal horse-power of the engine.
Page 133 - Practical, Short and Direct Method of Calculating the Logarithm of any given Number, and the Number corresponding to any given Logarithm.
Page 359 - Geom.) is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is •estimated by the number of degrees contained in that arc.
Page 19 - To reduce fractions of different denominators to equivalent fractions having a common denominator. RULE.! Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Page 44 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.
Page 16 - When there are more than two numbers, find the greatest common measure of two of them, as before ; then...