# The Architects' and Builders' Pocket-book: A Handbook for Architects, Structural Engineers, Builders and Draughtmen

John Wiley & Sons, 1915 - Architecture - 1816 pages

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Page 4 - 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 384 - Material which is to be used without annealing or further treatment shall be tested in the condition in which it comes from the rolls.
Page 915 - A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five hours.
Page 914 - No. 100, and not more than 25 per cent on the No. 200 sieve. TIME OF SETTING. It shall develop initial set in not less than thirty minutes, but must develop hard set in not less than one hour, nor more than ten hours.
Page 915 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.
Page 289 - The moment of a force about any point is the product of the magnitude of the force and the perpendicular distance from the point to the line of action of the force.
Page 36 - A plane is a surface, in which any two points being taken, the straight line joining those points lies wholly in that surface.
Page 28 - Measures of Weight The standard AVOIRDUPOIS POUND is the weight of 27.7015 cubic inches of distilled water weighed in air at 39.83° F., with the barometer at 30 inches.
Page 38 - A circle is a closed plane curve, all points of which are equidistant from a point within called the center.
Page 64 - To three times the square of the radius of its base add the square of its height; multiply this sum by the height and the product by 0.5236.