Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 712
ucted, since it is easy tosuppose a cube sufficiently large to con-tain within it the whole of the model in-tended to be represented, and, as hereafterwill be further illustrated, the position of any point on or within the cube, the direction of any line, or the inclination ofany plane to which it… … Fig. 1756.
Mechanical drawing
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