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HD Electronic Control System of the C-1 Auto Pilot Part 1: Basic Electricity as Applied to Electronic Control System (1943)

Electronic Control System of the C-1 Auto Pilot Part 1: Basic Electricity as Applied to Electronic Control System (1943)

HD Theory of the C-1 Autopilot, Part 1: Basic Principles (1943)

Theory of the C-1 Autopilot, Part 1: Basic Principles (1943)