Tricycle
device · 1880 · Electric age
A three-wheeled bicycle or motorcycle.
Inventor: Stephan Farffler.
What it is made of
- Roller chain — has part. A chain drive.
Principles and materials it uses
- Steel — is made of. The frame is steel.
History: what it evolved from and what it influenced
- Michaux velocipede — evolved from. Tricycles appeared in the era of bicycles with pedals on the wheel.