Autogyro und gutenberg printing press: was sie gemeinsam haben
- Schritt 1. Autogyro — hat als Teil — Propeller. A tractor propeller.
- Schritt 2. Propeller — nutzt — Screw. A propeller “screws” itself into the water, like an Archimedes’ screw.
- Schritt 3. Screw — wird verwendet in — Screw press. The force is produced by turning a screw.
- Schritt 4. Screw press — ist Teil von — Gutenberg printing press. Gutenberg adapted the screw press known from pressing grapes.