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 53
ngthe octagon. Second Method : First, draw the square, Fig. 58; then, 46 GUIDE AND ASSISTANT with the four corners as centres and half the diagonal asa radius, find points e, f, g, h, i, j, k and /. Then connectf I, k j, k e and i g. G a b /; ^\ /^■ - - -^ y • ^-o^ \ .•■■■ Fig. 57 j^ z J \ ^ j /…
Carpentry
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.