Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 33
of the drawing; (2) beyond its pro-jection, that is, below or behind the drawing and seen as iflooking through a transparent surface. 12 DESCRIPTIVE GEOMETRY [II, § 19 19. Uses of the Quadrants. In Figs. 19-22 an isolated pointis shown placed, successively, in the four quadrants. The re-marks and… … Fig. 19.used in architectural work and occasionally in engineeringwork. On account of the comparative ease with which aidsto visualization may be placed over, rather than under, thedrawing, this quadrant is very generally used in the firstpresentation of a problem in descriptive geometry. Second…
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
