The Art of Railroading: Or, The Technique of Modern Transportation, Volume 6
Calvin Franklin Swingle, Frederick John Prior
Railway publications society, 1906 - Air-brakes
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Common terms and phrases
adjustable angle Answer attached base bearings belt body bolt boring cast changes chuck circle clamped crank cutter depth desired diameter diametral pitch direction distance divide divisions double draw drill driving engine entirely equal Example face feed feet fitted force Formula friction gauge gear given gives grinding hand hardened head heat held hold hole horsepower illustrated in Fig inch indicator iron lathe lead length lever machine means measure metal milling minute moved movement Multiply necessary obtained operated piece pinion piston pitch plane plate position pounds pressure pulley radius rest round screw shaft shown in Fig shows side slide speed spindle spring square standard steam steel stop stroke surface taper teeth thread tool turned turret vertical weight wheel
Page 18 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Page 34 - The logarithm of a number is the exponent of the power to which it is necessary to raise a fixed number, in order to produce the first number.
Page 44 - С into as many equal parts as the polygon is to have sides.
Page 18 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Page 146 - A the area of the piston in square inches; and N the number of revolutions of the engine crank shaft per minute.
Page 130 - The calorie is the amount of heat necessary to raise the temperature of one gram of water one degree centigrade.
Page 70 - The areas of circles are to each other as the squares of their diameters.
Page 19 - Reduce the fraction to its lowest terms, then extract the square root of the numerator for a new numerator, and the square root of the denominator for a new denominator.
Page 43 - With any convenient radius and at any distance from the line AC, describe an arc of a circle as ACE, cutting the line at A and C. Through the center R of the circle draw the line ARE. cutting the arc at point E. A line drawn from C to E will be the required perpendicular.
Page 294 - The circular pitch is the distance from the center of one tooth to the center of the next tooth, measured along the pitch circle.