Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 263
and let it be required to findthe shadow of ah. The shadow ofa falls on H, at a\ The shadowof h falls on V, at h\ The lineconnecting these two points willbe broken at HA. The direction of the shadow line may be established by casting the shadowof h as it would fall on H if it were not intercepted… … Fig. 228 XII, § 2091 SHADES AXD SHADOWS 247
Geometry, Descriptive
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
