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 61
ike the base line at g; bisect the angle o b g with theline h g, thus finding point /; with o as centre and o k asradius draw a circle, thus finding points i, 2, 3, which arethe centres of the desired circles, of which 2 <^is the radius.66—Within a Given Circle to Draw Four EqualCircles Tangent… … Fig. ro j i, thus finding point i; with 0 as centre and o i as radiusdraw a circle finding points 2, 3, 4, wliich are the centresof the desired circles, and 3 a the radius. To draw any number of circles, divide the circle intotwice as many equal parts as circles desired and proceedas above.…
Carpentry
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