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Electrodes

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*(All flat metal electrodes are stamped with the element symbol, .030 to .040 thickness---3/4" x 5") #501-2  Electrodes, Platinum #501-3  Electrodes, Copper #501-4  Electrodes, Carbon #504-1  Electrodes, Flat Aluminum #504-2  Electrodes, Flat Brass #504-4  Electrodes, Flat Copper #504-5  Electrodes, Flat Iron #504-7  Electrodes, Flat Zinc #504-8  Electrodes, Flat Nickel #504-9  Electrodes, Flat Tin #504-3  Electrodes, Flat Carbon.  .1875 thickness 3/4" x 5" #504-10 Electrodes, Stainless Steel. The electrodes are constructed of stainless steel with a plastic shrink tubing covering the rods up to the binding area. #505-1  Electrodes, Pencil Type, Carbon. . .1/4" x 5" #499-EL Electrodes, Platinum, Replacements for the  Brownlee Apparatus