Large spinning drive wheel e newcomen engine: o que têm em comum

1. Passo 1. Large spinning drive wheel — faz parte de — Spinning jenny. A drive wheel with a handle.
2. Passo 2. Spinning jenny — evoluiu de — Spinning wheel. Many spindles driven by one wheel.
3. Passo 3. Spinning wheel — tem como parte — Manivela. A foot drive through a crank.
4. Passo 4. Manivela — faz parte de — Watt steam engine. The stroke of the piston becomes rotation of a shaft (Watt first used a planetary gear).
5. Passo 5. Watt steam engine — evoluiu de — Newcomen engine. Watt improved Newcomen’s engine.

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