The store will not work correctly in the case when cookies are disabled.
Ring & Ball Apparatus -Cat# 83-7115-00
Quick Overview Ring & Ball Apparatus
- For demonstrating the expansion or contraction of metals.
- The brass ball will pass through the ring when both are the same temperature, but not if the ball is heated.
- Consists of two brass rods with wooden handles, one is fitted with a ring and the other with a ball of approximate diameter 25mm, attached at the end.