# Carpentry Made Easy: Or, The Science and Art of Framing, on a New and Improved System

J. Challen & Sons, 1857 - Bridge building - 134 pages

### Contents

 SCARFING 36 FLOORS IN BRICK BUILDINGS 42 CIRCULAR CENTRES 59 ARCHES 65 Side bevel of hip rafters 70 HIPS AND VALLEYS 73 Backing of the octagonal hip rafters 77 93 77
 GENERAL PRINCIPLES OF BRIDGE BUILDING 107 EXPLANATION OF THE TABLES 113 Bevels of the hip rafters 118 Length of Hip Rafters 119 Octagonal Roofs 125 Length of Braces 127 Weight of Round Iron 132 Weight and Strength of Timber

 ARCH TRUSS BRIDGES 96

### Popular passages

Page 27 - If two triangles have two angles and the included side of the one, equal to two angles and the included side of the other, each to each, the two triangles will be equal.
Page 14 - A right-angled triangle (Fig. 24) is any triangle having one right angle. The side opposite the right angle is called the hypotenuse.
Page 30 - Conversely, if two angles of a triangle are equal, the sides opposite them are also equal, and the triangle is isosceles.
Page 17 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Page 28 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Page 30 - The straight line which bisects the vertical angle of an isosceles triangle is perpendicular to the base.
Page 17 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Page 17 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.
Page 33 - If two triangles have two sides and the included angle of the one, equal to two sides and the included angle of the other, each to each, the two triangles will be equal in all their parts." Axiom 1. "Things which are equal to the same thing, are equal to each other.
Page 18 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.