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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 64

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 64
.75, and establish the diameter a b; divide the diameterinto as many equal parts as is desired in the circumference.With a b as centres and <2 <^ as radius draw arcs inter-secting at c; draw a line from c through the second divi-sion on the diameter and i b will be one of the desiredparts on… … the answer by the number of parts in the circumference;this will give the length of one of the parts. CHAPTER VIII. At Point c on the Line a h to Draw Two Arcs of Circles Tangent to a b and the Two Par-allels a h andb e Forming an Arch—To Draw an Ellipse—To Draw an Ellipse witha String—To Draw an…

Carpentry

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