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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 82

An illustration from 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, leaf 82
.; with thesepoints as centres and radius of the rolling circle draw thearcs, k c, j c, etc.; with the centre of the directing circle ascentre drav/ arcs from i, 2, 3, etc., to meet the arcs frome, f, g, qXq..\ the intersections of these arcs are points onthe curve, as shown; draw the curve through… … 95—To Describe the Involute of a Circle.—Dividethe given circle, Fig. 102, into any number of equal spaces,as I, 2, 3, etc.; draw a line from 2 tangent to the circleand equal in length to the arc i 2; draw line from 3 tan-gent to the circle and equal in length to the arc 3 i. Re- 76 GUIDE AND…

Carpentry

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