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Ring & Ball Gravesande - Ring & Ball mounted on seprate Plastic handle ball dia. 18mm

Product Cat # PH0401E

QTY


Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on rod with wooden handle.
Simple and effective  apparatus for demonstrating thermal expansion, The ball passes through the ring when cold but will not pass through after being heated. Comprising of solid  brass ball secured to mounted brass ring by chain. Ring mounted on rod with wooden handle.

  • Ring & Ball mounted on seprate Plastic handle ball dia. 18mm

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