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 17
icate the angle with the V.P.,and ii for the angle with the H.P. ^. The plan cd is 2 long. The line CD is 3 long. Draw an elevation for it, and showwhat angles the line-CZ) makes with the planes of projection. 8 DESCRIPTIVE GEOMETRY 3. The elevation of EF is 2 long, and is at 45° to XY. The line is… … CHAPTER II PLAX AND ELEVATION FORMS FOR PLANE RECTILINEAL FIGURES Section 3. Suppose it be required to lind the projections of any plane figureinclined at a given angle to one of the projection i)lanes and having one of itsedges in that projection plane at a given inclination to the XV.…
Geometry, Descriptive
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