This book was transcribed from scans of the original found at the Internet Archive and at Google Books. I have rotated some images. Tables are treated as images. There are two versions of this book: the first contains both parts and the second is published as two volumes with Examination Papers at the end of each, which the student would return to the American School of Correspondence for credit. I have included these Examination Papers at the end of each part. [Illustration: TWENTY HORSEPOWER NEUPORT MONOPLANE MAKING A LANDING _This Photograph Protected By International Copyright_]…
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