Ball And Ring Apparatus

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 c…

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.