Alphabet und steam turbine: was sie gemeinsam haben

1. Schritt 1. Alphabet — wird verwendet in — Movable type. An alphabet with few signs made typesetting worthwhile in Europe.
2. Schritt 2. Movable type — ist Teil von — Gutenberg printing press. Text is set from metal type.
3. Schritt 3. Gutenberg printing press — entwickelte sich zu — Rotary printing press. Cylinders instead of a flat press.
4. Schritt 4. Rotary printing press — hat als Teil — Watt steam engine. The first rotary presses were steam-driven.
5. Schritt 5. Watt steam engine — entwickelte sich zu — Steam turbine. The turbine replaced piston engines in large installations.

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