Detroit. Public schools. Dept. of instruction, teacher training and research. [from old catalog], Kepler, Frank Roy. [from old catalog] · Detroit · leaf 15
^ ^ J^/G. /S On the drawing. Fig. 15, using a as center and radius ab,draw the arc bm and the straight line, am, parallel to G. L.Draw bm parallel to G. L. on V. Draw the vertical Une mm 15 intersecting bm at m. Connect a and m. Then am is theTrue Length of the hne. Since the extremity of the hne…
Projection
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