Brise-lames et Machine analytique de Babbage : ce qu'ils ont en commun

1. Étape 1. Brise-lames — fait partie de — Seaport. A breakwater.
2. Étape 2. Seaport — utilise — Sailing ship. A port receives ships.
3. Étape 3. Sailing ship — utilise — Mercator projection. Navigating along straight rhumb lines.
4. Étape 4. Mercator projection — utilise — Gutenberg printing press. Maps were printed in large numbers.
5. Étape 5. Gutenberg printing press — fonctionne comme — Jacquard loom. 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.
6. Étape 6. Jacquard loom — a inspiré — Machine analytique de Babbage. Babbage borrowed Jacquard’s punched cards directly for entering operations and data; Ada Lovelace compared the machine to the Jacquard loom.

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