Hodgson's Estimator and Contractor's Guide for Pricing Builder's Work

Front Cover
F.J. Drake & Company, 1923 - Building - 269 pages
 

Contents

Other editions - View all

Common terms and phrases

Popular passages

Page 71 - Sphere is a body bounded by a uniformly curved surface, all the points of which are equally distant from a point within called the center.
Page 67 - RULE. Multiply the area of the base by the perpendicular height, and the product will be the area.
Page 293 - EXAMPLES. 1. What is the solidity of an anchor ring, whose inner diameter is 8 inches, and thickness in metal 3 inches ? 8-1-3 = 11: then, 11 X(f)2X 9,8696 ^244,2726, which expresses the solidity in cubic inches.
Page 41 - Rule. — Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.
Page 50 - As 360 degrees is to the number of degrees in the arc of the sector, so is the area of the circle to the area of the sector.
Page 45 - A circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the center, Fig.
Page 61 - Take out the corresponding area in the next column on the right hand ; and multiply it by the square of the circle's diameter, for the area of the segment*.
Page 77 - From three times the diameter of the sphere subtract twice the height of the segment; multiply this remainder by the square of the height and the product by 0.5236.
Page 48 - From 8 times the chord of half the arc subtract the chord of the whole arc, and ' of the remainder will be the length of the arc nearly.
Page 72 - A zone is a portion of the surface of a sphere included between two parallel planes.

Bibliographic information