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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 54

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 54
56_To Reduce a Square Stick to an Octagon.— Place the blade of the square on the stick ni the positionshown in Fig. 61, and 7 and 17 on the blade will give thechamfer lines, as shown. FOR CARPENTERS AND MECHANICS. 47 57—To Draw a Regular Polygon of any Num-ber of Sides, when the Length of One Side… … equal parts as there are sides to the polygon, in this case7; then, as we have one side, a b, we skip the first divisionand connect a and 2; then from the centre oi a 2 and a bdraw lines at right angles until they meet at c, which is

Carpentry

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