Ball and Ring
Brass ball and brass ring with plastic handles for demonstrating the thermal expansion of solid bodies. After heating in a burner flame, the ball no longer fits through the cold ring.
- Length: approx. 250 mm
- Quantitative unit
- ks
![Kulička a kroužek Kulička a kroužek](https://www.helago-cz.com/files/thumbs/mod_eshop/produkty/full/22654.0.jpg)
Ball and Ring