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«m^ Cobalt Sulnhate Crvstals χ,ο·»" s« 9 χ
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B^ft** Harshaw is now producing improved quality, technical grade cobalt sulfate crystals ( 2 1 % Co) of regular octahedral shape. These new uniformly small crys tals are far superior to the old large type crystals. T h e y flow freely and dissolve rapidly. Harshaw Cobalt Sulfate Crystals are packed in. 100 pound laminated waterproof bags for easy handling and storing. Send your order to the nearest Harshaw Branch — t a k e a d v a n t a g e of this newest Harshaw development
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