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01691 770366   |   sales@selectschoolsupplies.co.uk

 
 
 

Ring and Ball Class Set Of 15

£74.00

£74.00

101760/15


An apparatus for demonstrating thermal expansion, comprising of a captive brass ball secured to a mounted brass ring by a chain. Ring mounted rod with wooden handle. The ball passes through the ring when cold but will not pass through when heated.

*PLEASE NOTE WE ONLY SUPPLY CHEMICALS TO EDUCATIONAL ESTABLISHMENTS *

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