# Mathematics

American School of Correspondence, 1903 - Engineering

### Contents

 Molding a Gland 2 Use of Chaplets 12 Table of Constants 19 24 20 Open Sand Molding 21 Life Molding Pulleys ARITHMETIC 3
 47 47 Ratio of Expansion 49 Forge 54 26 56 9 24 ical Equivalents 26 51 51 28 11

 Westinghouse Stationary 19 Cards for Compound Engines 19 Preparation 31 Actual Card 34 Calculation of Magnet Winding 8 Multiplication of Polynomials 14 14 37 23 Direct Current Motors 37 24 48 Measurement of Vacuum 30 Piston Speed 41
 Work in Cylinder 12 Series Motors on Constant Poten 30 Crank Action 38 29 51 30 60 Beams Quantity of Water Economy of Engine 8 3 41 7

### Popular passages

Page 38 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Page 11 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 33 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 15 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl.) 2 barrels...
Page 35 - The diameter of a circle is a straight line drawn through the center and terminating in the circumference.
Page 9 - Linear Measure 12 inches (in.) = 1 foot (ft.) 3 feet...
Page 17 - The square of the difference of two quantities is equal to the square of the first minus twice the product of the first by the second, plus the square of the second.
Page 13 - CUBIC MEASURE 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 58 - A right circular cone or cone of revolution is a cone whose axis is perpendicular to the base. It may be generated by the revolution of a right triangle about one of the perpendicular sides as an axis.
Page 15 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.