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 99
Fig. 134 … swer by twice the rise of the arc. As in the arc abovethe half of the chord is 4, which squared equals 16; therise is 3, which squared equals 9; 9 and 16 equal 25, FOR CARPENTERS AND MECHANICS. 93 which divided by 6, or twice the rise, equals 4^^, the radiusin Fig. 134. 119—When the Chord and any…
Carpentry
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