Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 26
in the H.P. at b. Any other point in the line may be taken, as atC, and it will readily be seen that C is at some distance in front of the V.P. andat some distance, also, above the H.P. If the point C could be moved in the lineuntil it got down to the H.P. it would be at a definite place in the… … Fig. 12 Now consider the points R and 5 at (ii). Let R be a.place or point on theV.P. and 5 be another place or point on the H.P., and let it be required to find theactual distance from R to 5. R, being a point in the V.P., will have its plan directly opposite to it in XVat r, and S, being a point…
Geometry, Descriptive
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