Page 49 - YB1946

#ecAanical 'j)lIawin9 Elizabeth Johnson Marshall The ability to visualize size and shape is a valuable asset to the critical mind, especially since much of man's science and industry is built upon understand- ing and application of geometric figures. Mechanical drawing. being an exact science, offers provocative drill in orderly thinking; and to those for whom such precision is more than a passing interest there are numerous opportuni- ties to turn this useful skill into a vocation. Marshall-the proper technique