Steel and jacquard loom: what they have in common

1. Step 1. Steel — is material for — Harvard Mark I. The case is steel and glass.
2. Step 2. Harvard Mark I — was inspired by — Babbage’s Analytical Engine. Howard Aiken named Babbage’s work as the source of his idea.
3. Step 3. Babbage’s Analytical Engine — was inspired by — Jacquard loom. 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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