Perspective, a series of elementary lectures (1899)
Cone, Ada · New York, W.T. Comstock · leaf 49
4a PERSPECTIVE. viz : Fix its position in the plane of measures, as A., Fig. 19, and draw a line thence towards its Y. P. Cross this line by a line towards the M. P., from a scale which represents the actual distance of the point from the foreground or plane of measures, and the intersection B will… … Having drawn the H. L., P. Y. B. and G. L., fix the point where the circle is to come in contact with the Plane of Measures, as at A. Mark off on the G. L. the width of the diameter of the circle, B C, one-half on each side of A, and draw lines from thence to the Y. P. Draw the diagonals and…
Perspective · Drawing
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