Original 1953 Wright Cyclone R-1820-80 Engine Parts Manual

Original 1952 Wright Cyclone R-1820-80 Engine Overhaul Manual

DTU-100 1406-01-02

Sperry HZ-4 Horizon Flight Director 1776365 Series Overhaul & Parts Manual

Sperry GH-14 Horizon Gyro Component Maintenance Parts Manual, 4020501

Original 1951 Douglas R6D-1 & C-118A aka DC-6 Maintenance Training Manual

Douglas DC-8 Avionics & Electrical Training Manual

Edo Piper Mitchell AutoControl III & AltiMatic III Autopilot Service Manual