Bronze steam boiler et gutenberg printing press : ce qu'ils ont en commun

1. Étape 1. Bronze steam boiler — fait partie de — Heron’s aeolipile. A vessel of boiling water.
2. Étape 2. Heron’s aeolipile — a inspiré — Vending machine. Heron described both a holy-water dispenser and the aeolipile; the dispenser is the prototype of the vending machine.
3. Étape 3. Vending machine — a pour partie — Spring. A spring holds the dispenser.
4. Étape 4. Spring — fait partie de — Automate. The mainspring stores the energy.
5. Étape 5. Automate — a inspiré — Jacquard loom. Vaucanson, the maker of automata, built an automatic loom whose ideas Jacquard used.
6. Étape 6. Jacquard loom — fonctionne comme — Gutenberg printing press. An analogy, not proven influence: both set type and a chain of punched cards are a replaceable pattern that a machine reproduces over and over.

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