Hollerith tabulator and watt steam engine: what they have in common

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

Open Evothings