Row of spindles and heron’s aeolipile: what they have in common

1. Step 1. Row of spindles — is part of — Spinning jenny. A row of vertical spindles.
2. Step 2. Spinning jenny — evolved into — Spinning mule. Crompton combined the jenny and the water frame.
3. Step 3. Spinning mule — evolved from — Arkwright’s water frame. A hybrid of two machines.
4. Step 4. Arkwright’s water frame — has part — Water wheel. Driven by water.
5. Step 5. Water wheel — evolved into — Turbine. The water turbine evolved from the water wheel.
6. Step 6. Turbine — evolved from — Heron’s aeolipile. The aeolipile is the oldest ancestor of the steam turbine.

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