Stirrup tread y laminadora: qué tienen en común
- Paso 1. Stirrup tread — forma parte de — Estribo. A foot rest.
- Paso 2. Estribo — evolucionó de — Silla de montar. The stirrup added a foot support to the saddle.
- Paso 3. Silla de montar — forma parte de — Bicicleta. The bicycle saddle took its name from the horse saddle.
- Paso 4. Bicicleta — inspiró — Wright Flyer. The experience of the Wrights’ bicycle shop — chains, light structures, the idea of controlled instability.
- Paso 5. Wright Flyer — utiliza — Vía férrea. The Flyer had no wheels: it took off along a wooden rail.
- Paso 6. Vía férrea — utiliza — Laminadora. Rails are rolled.