Tracker bar und Analytische Maschine: was sie gemeinsam haben

1. Schritt 1. Tracker bar — ist Teil von — Player piano. Holes let air through to the valves.
2. Schritt 2. Player piano — funktioniert wie — Jacquard loom. A perforated medium controls a machine — a weaving one in one case, a musical one in the other.
3. Schritt 3. Jacquard loom — inspirierte — Analytische Maschine. 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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