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 23
anes of which therecan be no plans and elevations. These imagined planes are indicated by theirtraces. Reproduce on a paper with XY marked, these planes as in Fig. 9. Fold thepaper along the line XY so that the V.P. is vertical while the H.P. remains hori-zontal, just as the projection planes are… … Fig. 9. which OP makes with PQ is much less than what it appears to be when the paperis not so folded, and so also with VW and WZ. In Fig. 9, if the Vertical Traces RS, LM, etc., be produced downward belowXY, the productions will show where the planes cut the V.P. below the level ofthe H.P., and…
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
