Spinning jenny e Máquina analítica de Babbage: o que têm em comum
- Passo 1. Spinning jenny — tem como parte — Printer carriage. It draws out the roving.
- Passo 2. Printer carriage — faz parte de — Inkjet printer. It moves the head across the sheet.
- Passo 3. Inkjet printer — utiliza — Ink. Ink.
- Passo 4. Ink — é utilizado em — Gutenberg printing press. An impression needs ink; Gutenberg used an oil-based one.
- Passo 5. Gutenberg printing press — funciona como — Jacquard loom. 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.
- Passo 6. Jacquard loom — inspirou — Máquina analítica de Babbage. Babbage borrowed Jacquard’s punched cards directly for entering operations and data; Ada Lovelace compared the machine to the Jacquard loom.