Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 80
FOILED FIGURES Pkoblem 83. 59 … Within a given circle to inscribe any number of eqitcd semi-circles having adjacent diameters. For exainple,.wSeye%. THE HEPTAFOIL. Find centre C (Prob. 33). Divide the circle into as manyequal parts as the numberof semicircles required (in thiscase seven), and from each ofthese points, A, B, D, E,…
Geometrical drawing
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