Ruler and hollerith tabulator: what they have in common

1. Step 1. Ruler — evolved into — Tape measure. A flexible ruler.
2. Step 2. Tape measure — includes — Tailor’s tape. A measuring tape.
3. Step 3. Tailor’s tape — is used in — Sewing pattern. Measurements.
4. Step 4. Sewing pattern — uses — Size chart. Sizes.
5. Step 5. Size chart — uses — Statistics. Anthropometry.
6. Step 6. Statistics — uses — Hollerith tabulator. Processing censuses.

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