Horseshoe and Babbage’s Analytical Engine: what they have in common

1. Step 1. Horseshoe — is part of — Horseshoe. An iron arc shaped to the hoof.
2. Step 2. Horseshoe — is made of — Iron. Iron.
3. Step 3. Iron — is material for — Flying shuttle. With iron tips.
4. Step 4. Flying shuttle — is part of — Jacquard loom. A shuttle.
5. Step 5. 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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