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The Practical Model Calculator, for the Engineer, Mechanic, Machinist ...
No preview available - 2015
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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 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...
Page 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.
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 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
Page 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.
Page 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.
Page 27 - Multiply each term in the multiplicand, beginning at the lowest, by the feet in the multiplier, and write...