Elementary linear perspective of form and shadow ... Complete in itself ... For draftsmen, artists, and industrial drawing courses in preparatory and high schools, etc. In two parts.. (1891)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York, J. Wiley & sons · leaf 65
l appear at o and n. oo or nn—perpendicular to AB—will then be the true distance of the points at o and n before andbehind the diameter AB. Hence from o and n draw projecting PROJECTIONS AND PERSPECTIVES OF CIRCULAR BODIES. 55 lines perpendicular to GL, making Os = Ot, and make sp = S7i =-tr = to =… … £_
Perspective · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
