Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 66
gs, de and gk^ Fig. Ill, are parallel to H,and the sides of the hexagon, Fig. 113, areparallel to N. If two lines are parallel, their shadows areparallel. Observe that the shadows of the SHADES AND SHADOWS 49 opposite sides of the hexagons, and of the lat-eral edges of the prisms, are parallel. If… … a bf Ce d Fig. 113.a b r Ce^d
Geometry, Descriptive
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