Arkwright’s water frame and computer: what they have in common

1. Step 1. Arkwright’s water frame — has part — Water wheel. Driven by water.
2. Step 2. Water wheel — is part of — Trip hammer. The shaft was turned by a water wheel.
3. Step 3. Trip hammer — has part — Cam. Cams on the shaft lift the hammer.
4. Step 4. Cam — is part of — Automaton. Cams set the figures’ movements.
5. Step 5. Automaton — uses — Program control of a machine. The sequence of movements is “recorded” in cams and cylinders.
6. Step 6. Program control of a machine — is used in — Computer. A computer executes a stored program.

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