Inside Out LibraryElementary projection (1921)Detroit. Public schools. Dept. of instruction, teacher training and research. [from old catalog], Kepler, Frank Roy. [from old catalog] · Detroit · leaf 34r/G. 35 ^/G. 36 Prob. 35. Four-piece elbow. Fig. 35. Scale, 4-=l-0^Prob. 36. Three-piece elbow, Fig. 36. Scale, 6=l-0^ 34 Prob. 37. Five-piece elbow, Fig. 37. Scale, 4=l-0ProjectionInternet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.More pictures from Elementary projectionMore like this
