TY - BOOK AU - Chapel,Charles Edward ED - Northrop Institute of Technology. ED - Northrop Aeronautical Institute TI - Aircraft basic science T2 - Its Series of aviation texts U1 - 629.13 PY - 1948/// CY - New York PB - McGraw-Hill Book KW - Airplanes KW - Electric equipment N1 - The technical development staff of Northrop Aeronautical Institute ER -