Royal Air Force Technical Notes including 110 H.P. Clerget; 80 H.P. Gnome; 100 H.P. Monosoupape; 200 H.P. R.A.F. 3a; 90 H.P. R.A.F. 1a; 240 H.P. Siddeley Puma; and a reprint Pilots Notes for the handling of World War I Warplanes and their Rotary Engines; and L'Aviation telle qu'on la parle.