Detroit. Public schools. Dept. of instruction, teacher training and research. [from old catalog], Kepler, Frank Roy. [from old catalog] · Detroit · leaf 40
rtG. -^/^ 39 Prob. 47. Intersecting Cone and Square Prism, Fig. 47.Scale, full size. … F/G. -f 7 Prob. 48. Intersecting Square Pyramid and SquarePrism, Fig. 48. Scale, full size. A 5 ► _L i
Projection
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
