Separate condenser and joystick: what they have in common

1. Step 1. Separate condenser — is part of — Watt steam engine. Watt’s main invention.
2. Step 2. Watt steam engine — has part — Centrifugal governor. Watt used a centrifugal governor to keep the speed steady.
3. Step 3. Centrifugal governor — uses — Feedback control. The governor is a classic example of feedback.
4. Step 4. Feedback control — is used in — Fly-by-wire. Automatic stabilization.
5. Step 5. Fly-by-wire — uses — Joystick. A sidestick controller.

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