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air-pump angle axis beam body boiler breadth calculated cast iron centre of gravity circle circumference column constant Cosecant Cosine Cotangent crank cross-head cube root cubic feet cubic foot cylinder in inches decimal depth diameter of cylinder Diff 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 given number half Hence Hot Blast immersed inches of mercury length lever load-water line locomotive engine logarithm motion multiply nearly nominal horse power orifice perpendicular pipe plane pressure proportion quantity quotient radius ratio revolutions revolutions per minute revolving rule RULE.—To find Secant shaft side side rod solidity specific gravity square inch square root steam subtract Table Tangent temperature thickness triangle valve velocity versed sine vertical vis viva weight wheel
Σελίδα 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.
Σελίδα 238 - To ascertain the nominal power by this method, 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 number of nominal horses power of the engine...
Σελίδα 133 - Practical, Short, and Direct Method of Calculating the Logarithm of any given Number and the Number corresponding to any given Logarithm," discovered by Oliver Byrne, the author of the present work.
Σελίδα 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.
Σελίδα 6 - TABLE. 20 grains (gr.) make 1 scruple, sc. or 9. 3 scruples " 1 dram, dr. or 3. .8 drams " 1 ounce, oz. or §. 12 ounces
Σελίδα 152 - Multiply the square of the diameter of the cylinder in inches by the length of the stroke in inches, and by 171; and divide the product by the diameter of the driving-wheels in feet.
Σελίδα 24 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Σελίδα 27 - Multiply each term in the multiplicand, beginning at the lowest, by the feet in the multiplier, and write...