Penny-farthing
device · 1870 · Electric age
A bicycle with a huge front wheel and pedals on it.
Inventor: Eugène Meyer.
What it is made of
- Spoke — has part. Tension spokes.
- Ball bearing — has part. Bearings.
Principles and materials it uses
- Steel — is made of. The frame is steel tube.
- Vulcanized rubber — is made of. The tyres are solid rubber.
History: what it evolved from and what it influenced
- Michaux velocipede — evolved from. A large wheel increased the speed per turn of the pedals.
- Rover safety bicycle — evolved into. The chain made it possible to return to normal-sized wheels.