Toothbrush bristles y Tabuladora de Hollerith: qué tienen en común

1. Paso 1. Toothbrush bristles — forma parte de — Cepillo de dientes. Tufts of nylon filaments.
2. Paso 2. Cepillo de dientes — está hecho de — Fibra vegetal. The bristles were hog hair, later nylon.
3. Paso 3. Fibra vegetal — se utiliza en — Telar. Cloth is woven from threads spun from fibres.
4. Paso 4. Telar — incluye — Telar Jacquard. A loom with punched cards.
5. Paso 5. Telar Jacquard — utiliza — Tarjeta perforada. Each punched card sets one pass of the pattern.
6. Paso 6. Tarjeta perforada — se utiliza en — Tabuladora de Hollerith. The 1890 census data was encoded on punched cards.

Abrir Evothings