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 65
Tangent to a h and the Two Par-allels a iz and h e Form-ing an Arch.—Make a d.Fig. 76, equal io a c andb e equal to b c; draw c fat right angles io a b andd g 2it right angles to a h;with g as centre and radiusg d draw the arc d c; drawe f 2X right angles to b c;withy as centre andy<: asradius… … FOR CARPENTERS AND MECHANICS. 59 e b; then divide a e and a c into the same number of equalparts, as i, 2, 3, etc.; then draw lines from c to 5, 6, 7, etc.;then draw Hnes from ^ to i, 2, 3, etc.; then draw thecurved Hne through the intersections, as shown.
Carpentry
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