Ball And Ring Apparatus
Ring and ball, mounted on separate handle ball.
An apparatus for demonstrating thermal expansion, comprising a captive brass ball secured to a mounted brass ring by a chin, R
Product Code: AEH056
(100 Reviews)
Ball And Ring Apparatus
Description
Ball And Ring Apparatus
Ring and ball, mounted on separate handle ball.
An apparatus for demonstrating thermal expansion, comprising a captive brass ball secured to a mounted brass ring by a chin, Ring mounted on rod with a wooden handle. The ball passes through the ring when cold but will not pass through after being heated.