Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 183
to the H.P. at anangle of 45, and perpendi-cular to the V.P. ; the planeto intersect both the hori-zontal faces of the cube.Fig. 301. Draw the plan adcd of thecube, and carry up projectorsfrom the points, | above XY,and join them for the elevation. Find the traces of the cuttingplane (Prob. 218).… … I70 GEOMETRICAL DRAWING AND DESIGN. The sectional surface can be constructed ■ by rotating thfprojecting surface of the section on either the h.t. or V.T. To rotate the plan of the section on the H.T. Draw lines atright angles to H.T. from the points of the plan, and make thelengths of these lines…
Geometrical drawing · Design · Drawing
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