Transportation corps : military railroads and the military railway service - USA War Department Field Manual, FM 55-50 Aircraft hardware and materials - USA Voorschrift, Technical Manual, 1-424 Aircraft sheet metal work - USA Voorschrift, Technical Manual, 1-435 Grinding machines - USA Voorschrift, Technical Manual, 1-422 Aircraft woodwork - USA Voorschrift, Technical Manual, 1-414 Airplane structures - USA Voorschrift, Technical Manual, 1-410 Airplane hydraulic systems and miscellaneous equipment - USA Voorschrift, Technical Manual, 1-411 Aircraft electrical systems - USA Voorschrift, Technical Manual, 1-406 Weather manual for pilots - USA Voorschrift, Technical Manual, 1-230 Airplane inspection guide - USA Voorschrift, Technical Manual, 1-415 Basic photography - USA Voorschrift, Technical Manual, 1-219 Air navigation tables - USA Voorschrift, Technical Manual, 1-208
