Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 78
nd end face of purlin, 10. To obtain thedown cut revolve side face parallel to ^andthe true angle, 8, will be obtained. Similarly,the side cut made on the top or bottom faceis obtained by revolving that face parallel toH^ the true angle being indicated by bevel, 9.In order to obtain the angle… … Fig. 135. 62 DESCRIPTIVE GEOMETRY 88. Given one trace of a plane, and the anglebetween the plane and the coordinate plane, todetermine the other trace. There must be two cases, as follows: Case 1. Given the trace on one coordinateplane and the angle which the plane makeswith the same coordinate…
Geometry, Descriptive
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