Guitar tuning pegs and Babbage’s Analytical Engine: what they have in common

1. Step 1. Guitar tuning pegs — is part of — Guitar. Tensioning and tuning the strings.
2. Step 2. Guitar — uses — String vibration. Strings.
3. Step 3. String vibration — is used in — Piano. Strings.
4. Step 4. Piano — includes — Player piano. A piano.
5. Step 5. Player piano — works like — Jacquard loom. A perforated medium controls a machine — a weaving one in one case, a musical one in the other.
6. Step 6. Jacquard loom — inspired — Babbage’s Analytical Engine. 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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