Barcode and jacquard loom: what they have in common

1. Step 1. Barcode — is used in — Cash register. Tills read barcodes.
2. Step 2. Cash register — has part — Keyboard. Sums were entered with keys.
3. Step 3. Keyboard — is part of — Carillon. A keyboard.
4. Step 4. Carillon — has part — Pinned cylinder. Automatic carillons have a pinned drum.
5. Step 5. Pinned cylinder — inspired — Bouchon’s loom. Bouchon, the son of an organ maker, carried the idea of a recorded sequence over to punched tape.
6. Step 6. Bouchon’s loom — evolved into — Jacquard loom. Jacquard combined and refined the ideas of Bouchon, Falcon and Vaucanson.

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