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 39F/G. -^-^ 38 Prob. 45. Reduction elbow, Fig. 45. Scale, Q=r-0\ … r/G. 4^5 Prob. 46. Oil-Bucket, Pig. 46. Scale, 6^=l-0^ProjectionInternet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.More pictures from Elementary projectionMore like this
