Elementary projection drawing. Theory and practice. For preparatory and higher scientific schools, industrial and normal classes; and the self-instruction of teachers, inventors, draftsmen, and artisans. In six divisions .. (1880)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York, J. Wiley & sons · leaf 56
e size. When a plane revolves about any line in it as an axis, everypoint of it, not in the axis, moves in a circular arc, whose radii areall perpendicular to the axis. The representation of the revolutionis much simplified by taking the axis in, parallel to, or perpendicufar to, a plane of… … *4 ABab trace, 5 In Iverticaas dd\the anline, is InHdicula,its veriperpenzontalplane ; Fin?of its •point.for its All-a booktrianglstood, Peo apian Let plane, points must 1 plane, limits, cal pre points ADBG require Peo:to shot Wh(point oall per]is mudlar to, ELEMENTARY INTERSECTIONS. 25 Let AB—ab,…
Geometrical drawing · Mechanical drawing
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