Machine and hollerith tabulator: what they have in common

1. Step 1. Machine — includes — Watt steam engine. A machine.
2. Step 2. Watt steam engine — is part of — Power loom. Driven by a steam engine.
3. Step 3. Power loom — has part — Flying shuttle. A flying shuttle.
4. Step 4. Flying shuttle — is part of — Jacquard loom. A shuttle.
5. Step 5. Jacquard loom — uses — Punched card. Each punched card sets one pass of the pattern.
6. Step 6. Punched card — is used in — Hollerith tabulator. The 1890 census data was encoded on punched cards.

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