Elementary linear perspective of form and shadow ... Complete in itself ... For draftsmen, artists, and industrial drawing courses in preparatory and high schools, etc. In two parts.. (1891)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York, J. Wiley & sons · leaf 40
plane in its 7^eal position; second: a similar view after the revolu-tion of the perspective plane into the plane of the paper ; andthird: an actual construction of the real perspective of a point. 64. In Fig. 13, E is the position of the eye, e is its horizontalprojection, and e is its vertical… … Fig. 13. A is the point, whose perspective is to be found, a is its horizontal projection, and a its vertical projection. Ba -= Ka showsthe height of A above the horizontal plane GHH; aB aAshows its distance behind the perspective plane LGP, and CBshows its distance to the right of the observer…
Perspective · Mechanical drawing
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