Gyroscope and newcomen engine: what they have in common

1. Step 1. Gyroscope — is part of — Gyrocompass. A gyroscope.
2. Step 2. Gyrocompass — is part of — Ironclad. Steel ships distort a magnetic compass.
3. Step 3. Ironclad — has part — Watt steam engine. Steam engines.
4. Step 4. Watt steam engine — evolved from — Newcomen engine. Watt improved Newcomen’s engine.

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