Flame trench und hollerith tabulator: was sie gemeinsam haben

1. Schritt 1. Flame trench — ist Teil von — Launch complex. A pit that carries away the hot gases.
2. Schritt 2. Launch complex — nutzt — Rocket. Launching rockets.
3. Schritt 3. Rocket — ist hergestellt aus — Paper. The first rockets were paper tubes filled with gunpowder.
4. Schritt 4. Paper — ist Material für — Punched card. Punched cards are stiff card.
5. Schritt 5. Punched card — wird verwendet in — Hollerith tabulator. The 1890 census data was encoded on punched cards.

Evothings öffnen