Ball and Ring Apparatus

د.ج1,000.00
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Product details

Cat. No. : “EDU931/05”
DESCRIPTION :-
Ball and Ring Apparatus is used for demonstrating thermal expansion, comprising a captive brass ball of 19mm secured to a mounted brass ring by a chain.
Ring mounted on rod with a wooden handle.
The ball passes through the ring when cold but will not pass through after being heated.