Two items in the Holt Basic Trainers, of which Mathematics Refresher, out several months ago, has been a continual best...
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FUNDAMENTALS OF ELECTRICITY; FUNDAMENTALS OF MACHINES
by ‧RELEASE DATE: Feb. 24, 1943
Two items in the Holt Basic Trainers, of which Mathematics Refresher, out several months ago, has been a continual best seller. Course for beginner -- refresher for those who have gone stale. In conformity with Army curriculum requirements for High School Pre-Induction courses. The series includes Shopwork, Mechanical Drawing, Before You Fly.