Ball & Ring 25 mm Dia
Ball & Ring 25 mm Dia
Regular price
$23.69
Sale price
$23.69
Regular price
$0.00
Shipping calculated at checkout.
Description
Description
A simple apparatus for demonstrating thermal expansion. The apparatus consists of a brass ball and ring. The cold ball passes through the ring but does not pass when heated. The brass ball is connected to the rod with a chain.

