A manual on the construcUon, operation, and care of lathes. Milling machines ... Designed to teach the taking of all the types of aerial photographs used for military purposes, such as mapping, intelligence, mosaics, etc. ... 29) 25c. Issued for use as a text in the Civilian pilot training program. ... Includes a glossary of terms and a bibliography. acFor mature readers. 125. Becker. The home book of Christmas.