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 52
atn within a Ti-apezium—To Reduce a SquareStick to an Octagon—To Draw a Regular Polygon of Any Number of Sideswhen the Length of One Side is Given—To Draw an Octagon whenthe Side or Base is Given—To Find the Greatest Square thatCan be Inscribed in a Given Circle— Within an Equilat-eral Triangle to… … 53—Several Ways of Drawing an Octagon.— When you have the distance from one side to the other given, to draw the octagon : Firstdraw a square, Fig. 56, of that size;then draw diagonal lines from eachcorner, as « «;, « a; then take thedistance from the centre to the out-side, as shown by the dotted…
Carpentry
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