Sunglasses and jacquard loom: what they have in common

1. Step 1. Sunglasses — is made of — Celluloid. The frames are celluloid.
2. Step 2. Celluloid — is made of — Cellulose. Nitrocellulose.
3. Step 3. Cellulose — is material for — Paper. Paper is cellulose fibres.
4. Step 4. Paper — is material for — Bouchon’s loom. The program is a perforated paper tape.
5. Step 5. Bouchon’s loom — evolved into — Jacquard loom. Jacquard combined and refined the ideas of Bouchon, Falcon and Vaucanson.

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