Technical Manual Airplane Hydraulic Systems and Miscellaneous Equipment, October 20, 1941 (War Department TM 1-411) [with] Supplement No. 1 [with] Inspection - Maintenance Instruction Forms for the P-40 Series Airplanes (TSKF No. A1E-1)

106; 12; [36] pp. Three-volume set. CONTENTS: Hydraulic Principles; Hydraulic System Units; Airplane Hydraulic Systems; Inspection of Hydraulic Systems; Gases; Fire-Extinguishing Equipment; Flotation Equipment; Oxygen Equipment; Ice Eliminating Equipment; Heating and Ventilating Equipment; Aircraft Parachute Flare; Index. SUPPLEMENT CONTENTS: Master Cylinder Hydraulic Brake Systems. INSTRUCTION FORMS CONTENTS: Preflight and Daily Inspections; 25-Hour Inspection; 50-Hour Inspection; 100-Hour and Subsequent Inspections; At Engine Change Inspections; 25 Hours After Engine Change Inspections.