Vessel with an outflow hole und turbine: was sie gemeinsam haben
- Schritt 1. Vessel with an outflow hole — ist Teil von — Water clock (clepsydra). Water flows out at a nearly constant rate.
- Schritt 2. Water clock (clepsydra) — entwickelte sich zu — Mechanical clock. Mechanical clocks replaced water clocks, swapping the flow of water for an escapement.
- Schritt 3. Mechanical clock — ist Teil von — Parking meter. A clock mechanism.
- Schritt 4. Parking meter — entwickelte sich aus — Vending machine. A payment machine.
- Schritt 5. Vending machine — wurde inspiriert von — Heron’s aeolipile. Heron described both a holy-water dispenser and the aeolipile; the dispenser is the prototype of the vending machine.
- Schritt 6. Heron’s aeolipile — entwickelte sich zu — Turbine. The aeolipile is the oldest ancestor of the steam turbine.