PART 1
. McGraw-Hill Book Co., Inc., c1948. 11 min., sd., b&w, 16mm. (McGraw-Hill Text Films. Mechanical Drawing Series, no. 2)
Summary: Presents the theory of orthographic projection, utilizing animated diagrams and photography of specially prepared models to provide three-dimensional effects.
© McGraw-Hill Book Co., Inc.; 1Jul48; MP3578.
SHAPE DESCRIPTION,