Machinists' and Draftsmen's Handbook: Containing Tables, Rules, and Formulas, Intended as a Reference Book for All Interested in Mechanical Work

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Van Nostrand, 1899 - 438 pages
 

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Page 27 - Multiply each debt by its term of credit, and divide the sum of the products by the sum of the debts. The quotient will be the average term of credit.
Page 1 - The fraction, a/b, where the numerator is a and the denominator is b, implies that a is being divided by b. The denominator of a fraction can never be zero since a number divided by zero is not defined.
Page 69 - A geometrical progression is a series of numbers, which increase or decrease by a common or constant ratio.
Page 210 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 286 - Newton's Three Laws of Motion," and are as follows: (1) All bodies continue in a state of rest, or of uniform motion in a straight line, unless acted upon by some external force that compels a change.

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