non-fictionInstructions for the maintenance, repair & alteration of certified aircraft, engines,propellers & instruiments, circa 1941routine maintenance, repairs, alterations, design, materials, engines, fuel systems

non-fictionRepair & reconditioning instructions for RAAF Avon Mk 20 & 26 engines, circa 1957tools & equipmemt, replacement / adjustment & rectification, major repairs, workshop processes, main rotating assembly, general repars, main casings & housings, miscellaneous maintenance matters