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Ball And Ring Apparatus
The ball and chain is for demonstrating thermal expansion. The ball will not pass if it is hot and the ring is cold, but will pass if both are hot or both are cold.
$12.60
Original: $35.99
-65%Ball And Ring Apparatus—
$35.99
$12.60Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The ball and chain is for demonstrating thermal expansion. The ball will not pass if it is hot and the ring is cold, but will pass if both are hot or both are cold.
