Toothbrush bristles e hollerith tabulator: o que têm em comum

1. Passo 1. Toothbrush bristles — faz parte de — Toothbrush. Tufts of nylon filaments.
2. Passo 2. Toothbrush — é feito de — Plant fibre. The bristles were hog hair, later nylon.
3. Passo 3. Plant fibre — é utilizado em — Loom. Cloth is woven from threads spun from fibres.
4. Passo 4. Loom — inclui — Jacquard loom. A loom with punched cards.
5. Passo 5. Jacquard loom — utiliza — Punched card. Each punched card sets one pass of the pattern.
6. Passo 6. Punched card — é utilizado em — Hollerith tabulator. The 1890 census data was encoded on punched cards.

Abrir Evothings