Ajax Scientific ring and ball apparatus. Ring and ball apparatus. For demonstrating the expansion or contraction of metals. Consists of two brass rods with wooden handles, one is fitted with a ring and the other with a ball ...

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Ajax Scientific ring and ball apparatus. Ring and ball apparatus. For demonstrating the expansion or contraction of metals. Consists of two brass rods with wooden handles, one is fitted with a ring and the other with a ball of approximate diameter 25-millimeters, attached at the end.

  • package height :3.555 cm
  • package length :25.4 cm
  • package width :4.318 cm
  • Product type :TEACHING EQUIPMENT

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