Ball and Ring Apparatus
- Brass ball secured to mounted brass ring with chain
- Sphere: 22mm ø
- Ring: 32mm outside ø
- Overall length: 210mm
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- Due to the continuous development of our products, the goods supplied may vary in detail from those illustrated in the images and descriptions on this website.
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In stock
SKU
HRDIM-18
ZAR193.46
Use the ball and ring apparatus to prove that metals expand when heated. It's a simple, yet effective demonstration. The ball will pass through the ring when cool but not when heated. The apparatus is mounted within a wooden handle to prevent your hand from burning.
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