Richey's guide and assistant for carpenters and mechanics : a work of practical information, giving almost every geometrical and practical problem likely to arise in the work of the carpenter, and quick and easy methods for their solution : the use of the steel square, etc., tables showing strength and weight of materials, methods of framing, useful recipes, etc., etc. (1894)
Richey, H. G. (Harry Grant), b. 1868 · New York : W.T. Comstock · leaf 44
FOR CARPENTERS AND MECHANICS. are the radius; the other lines show the brideine cut be-tween the rafters to receive the sheathing, which runs fromside to side. To cut the sheathing divide the semi-elHpseinto as many parts as you wish boards, or make the spacesequal to the width of the board; then… … erg ng.35 points, as shown, from i through 2 to the base line, whichgives the radius of one board; from 2 through 3 gives theradius of another; repeat the operation until you have theradius of all the boards. 35—To Lay Out the Plancher for a Conical Roof.—The following diagram. Fig. 36, will show…
Carpentry
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