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Eisco Ball and Ring Apparatus Set

Eisco-Ball-and-Ring-Expansion-Demonstration-Apparatus-Set-Eisco-PH0374D-P-An-apparatus-for-demonstrating-expansion-in-metals-comprising-a-brass-ball-and-a-brass-ring-each-mounted-on-a-rod-with-an-insulated-handle-P-P-At-room-temperature-the-metal-ball-fits-through-the-ring-When-the-ball-is-heated-it-expands-and-no-longer-fits-through-the-ring-P-Eisco-Ball-and-Ring-Apparatus-Set

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