Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 172
er edgeson the H.P., with its sur-face parallel to the v.p.Let the top edge ABrepresent a line we wishto project. The edges haand B6 will then represent the horizontal projectors, and the lineah its horizontal projection. If we draw lines A« and B6perpendicular to the V.P. from the points A and B,… … ORTHOGRAPHIC PROJECTION, r?9 perpendicular to both planes. Let the edge Cc represent theline to be projected, Cc and cc represent the vertical projectors,and the line cc its vertical projection. The point c on the H.P.is called the horizontal trace of the line. Note.—The point where a line, or a…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
