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Home>Education>Physics>Miscellaneous > Ball & Ring - Gravesand's
Ball & Ring - Gravesand's
Ball & Ring - Gravesand's

Ball & Ring - Gravesand's

Your Price: $12.50
In stock (5 available)
Part Number:HL0200-001
Ball & Ring. This popular demo of metal expansion and contraction consists of a brass ball and ring mounted on steel rods with plastic handles. At room temperature the ball passes through the ring; when heated it will not. Includes instructions.
 

 

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