Higbee, F. G · New York, John Wiley & Sons · leaf 57
nd one view of it toconstruct the other view, when the position of some point on theHne is known. Construction. Let the problem be to make a drawing of thehopper (Fig. 44) whose plan is abed — mnop. The length ofthe edge BN is 12, and the plane of the opening ABCD Kes4 below H. 45 46 ESSENTIALS OF… … Fig. 42. elevation of the revolved position of N. To find this point re-volve BN parallel to G. L. at bn^. From n, drop a perpendicu-lar to intersect the arc; the point thus found is n, the elevation PROBLEMS ON THE LINE 47
Geometry, Descriptive
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
