Ring and Ball on stand (Mounted Form)
An 18mm brass ball and a ring through which it will just pass are supported on a vertical rod. When expanded by heat, the ball will no longer pass through the ring. Overall height is 27cm.
An 18mm brass ball and a ring through which it will just pass are supported on a vertical rod. When expanded by heat, the ball will no longer pass through the ring. Overall height is 27cm.
