Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 26
allel equal to thetrue length of the line in space, and the anglewhich this projection makes with tlie groundline is the true size of the angle which the linemakes with the plane to which it is oblique.Line A, Figs. 16 and 17, is seen in its truelength in its vertical projection, and it makesan… … Fig. 14 Fig. 15. Fig. I
Geometry, Descriptive
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
