Leather bellows bag e gutenberg printing press: o que têm em comum

1. Passo 1. Leather bellows bag — faz parte de — Fole. It changes volume when squeezed.
2. Passo 2. Fole — faz parte de — Player piano. Pedal bellows create suction.
3. Passo 3. Player piano — funciona como — Jacquard loom. A perforated medium controls a machine — a weaving one in one case, a musical one in the other.
4. Passo 4. Jacquard loom — funciona como — Gutenberg printing press. An analogy, not proven influence: both set type and a chain of punched cards are a replaceable pattern that a machine reproduces over and over.

Abrir Evothings