Needle und electrical telegraph: was sie gemeinsam haben
- Schritt 1. Needle — ist Teil von — Sewing machine. A needle with the eye near its point.
- Schritt 2. Sewing machine — inspirierte — Kinematograph. Louis Lumière said he came up with the intermittent film feed while watching the fabric feed of a sewing machine.
- Schritt 3. Kinematograph — hat als Teil — Lens. A lens.
- Schritt 4. Lens — wird verwendet in — Optical telegraph. Signals were read through telescopes.
- Schritt 5. Optical telegraph — entwickelte sich zu — Electrical telegraph. The electrical telegraph replaced semaphore lines.