Higbee, F. G · New York, John Wiley & Sons · leaf 60
oposition 2. Given two views of a Hne to find where itpierces the planes of projection. Discussion. The point where the line pierces H must He onthe line itself and in the H plane. Therefore, the projections ofthe required piercing point will He on the projections of the given PROBLEMS ON THE LINE… … Fig. 45. plan view of the Kne and in a perpendicular from the elevation.In a similar manner the V piercing point may be found. Construction. In Fig. 45 let the problem be to find the planand elevation of the point where the center Hne OP of the timberpierces H and V. By extending op to the G. L.…
Geometry, Descriptive
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