Higbee, F. G · New York, John Wiley & Sons · leaf 74
fromhim at an angle of depression of 15 degrees. Assuming the ship keeps thesame course and speed how will it bear from him and what will be its angleof depression at 12 oclock? CHAPTER XPROBLEMS ON POINTS, LINES, AND PLANES 54. Proposition 8, To draw the plan and elevation of theintersection of… … Fig. 52- be drawn from the intersection of the H traces to the intersectionof the V traces, the plan and elevation of this hne show therequired intersection. Construction. Let T and S, Fig. 52, be the given planeswhose intersection is required. The H traces intersect at a pointwhose plan is a and…
Geometry, Descriptive
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