21st Century Balance
21st Century Balance
: : 470148-796
This balance is the first major advancement in teaching simple machines in decades.
- Unique Features
- Internal Sliding Weight Mechanism
- Instructions Included
- Scale: 50 cm
The internal sliding weight mechanism allows users to neutralize all factors once the fulcrum and positions of force have been established.
It includes instructions and a 50 cm scale.
- Désignation:21st Century Balance