TY - BOOK AU - Nelson,Wilbur Clifton TI - Airplane Propeller Principles U1 - 629.13436 23 PY - 1944/// [Printing 1948] CY - New York PB - Chapman & Hall, KW - Propellers, Aerial KW - Aerodynamics KW - Strains and stresses N1 - Includes Index ER -