Some rotary traffic switching methods / J. Kruithof New television : the magic screen / R.F. Yates IT&T : electronics and telecommunication Face to face with kaiserism / by James W. Gerard Scientific disarmament : a treatment based on the facts of armament / Victor Lefebure ; with introductions by [William Temple], archbishop of York, Jane Addams … Bibliographie générale du costume et de la mode : N-Z, tables / René Colas United Nations Flag code and regulations, as amended on July 28 and Oct. 30, 1950 text-book on field fortification / by G.J. Fiebeger Balkans : frontier of two worlds / by William B. King and Frank O'Brien German generals talk- / B.H. Liddell Hart Through the overcast : the weather and the art of instrument flying / by Assen Jordanoff ; ill. by Frank L. Carson and Fred L. … Your wings / A. Jordanoff
