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 55
58—To Draw an Octagon when the Side or Baseis Given.—Draw the Une, a b, for the base. Fig. 63, andfrom a and b draw two indefinite perpendicular lines ; thentake the distance from ^ to <^ and describe the two half-circles ; then, using the same radius, from point c findpoint d on the…
Carpentry
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