1 sept 1978 año - Skateboards — a triumph of materials technology
Descripción:
N.A. Waterman, A. Crease Skateboards are an illustration of how engineering advance is often delayed awaiting suitable materials. The use of modern materials for the wheels, trucks and decks of skateboards and the design features affecting the choice of materials is explained.Añadido al timeline:
fecha:
1 sept 1978 año
Ahora mismo
~ 46 years ago