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Product Code : 99-2470

RING AND BALL, GRAVESANDE - one handle (BALL DIA. 19MM)

£2.95

Quick Overview

An apparatus for demonstrating thermal expansion, comprising of a captive brass ball secured to a mounted brass ring by a chain. Ring mounted rod with wooden handle. The ball passes through the ring when cold but will not pass through when heated, ball dia 19mm.
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Details

An apparatus for demonstrating thermal expansion, comprising of a captive brass ball secured to a mounted brass ring by a chain. Ring mounted rod with wooden handle. The ball passes through the ring when cold but will not pass through when heated, ball dia 19mm.

Additional Information

Model Number99-2470

 

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