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 92
Fig. J19 … curve of the arch, as «; i 2, etc. ; now draw the centre linec 8 and divide d 8 into any number of equal parts, asI 2 3, etc.; from these points draw lines parallel to a d,to intersect the curve, as i i, 2 2, 3 3, etc. ; now from 86 GUIDE AND ASSISTANT these points on the curve draw lines parallel…
Carpentry
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