This is a quick and clean way to visualize magnetic fields. The demonstrator is a transparent acrylic case that holds iron filings suspended in a fluid of mineral oil. When it is placed over a magnet, the field pattern can be viewed directly, or it can be placed on an overhead projector for classroom demonstration.
Shipping weight: 10.6 Oz., dimensions: 8.75" x 4.75" x .5".
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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