Octant et jacquard loom : ce qu'ils ont en commun

1. Étape 1. Octant — a évolué en — Sextant. The sextant is an extended octant.
2. Étape 2. Sextant — fait partie de — Sailing ship. The sextant and chronometer were a sailing ship’s navigation kit for finding latitude and longitude.
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.

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