US$ 15.99
suitable for securing tubes and flask necks in general laboratory assemblies
sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work
adjustable from 0 to 45 degrees with an alignable pulley and included pan and roller
Square die-cast alloy boss head with metal thumbscrews
5 inches thick
Replacement Belt for Van de Graaff Generator Lab Supplies_Clips suitable for securing tubes andReplacement drive belt matched to the companion hand crank Van de Graaff generator, restoring charge transport after normal belt wear.
US$ 15.99
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