Lot of 6 hardcover Aircraft engineering mini textbooks published by the International Textbook Company circa 1940's. With handsome embossed covers and blue sprayed edges, each textbook contains 2 or 3 previously published International Textbook Company texts & focuses on a unique aspect of engineering or mechanics such as Aircraft Metalwork, Airplane Instruments, Combustion Engine Fuels & more! Books measure about 5 1/2 x 8 inches and contain from 108 to 209 pages.
Please see photos for more details & examples of content!