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 91
6, anddivide it into the same number of equal spaces ; from thesepoints drop perpendicular lines, making 11 x equal to 11 :r,Fig. 116, 12 X equal to 12 jr, Fig. 116, etc.; draw the curvethrough points x, x, x, etc., continue the lines from x, x,etc., making x 01 equal to x 01 in Fig. 117, and x 02… … the curve of the ceiling, as a b, Fig. 118, and the positionof the arch, as ^ ^ e; with c as centre and the height of thearch as radius, draw the quarter-circle f d; from a drawa g, parallel to c d; now divide the quarter circle f d intoany number of equal parts, as i 2 3, etc., and from…
Carpentry
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