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If you don't see what you want, just ask for it. Harshaw always has a couple of hundred proprietary

catalysts on the shelf. These are the standard catalysts most often requested. And just to illustrate how complete our line is, we stock 33 different nickel catalysts alone.

But suppose your operation requires a catalyst with special physical properties and chemical composition. No problem. Just ask Harshaw. And we'll come up with the catalyst that's custom-tailored to your specific needs. We're catalyst ex­perts. We have been for more than 25 years.

So write for our catalog. Or call us for fast service. When

it's a question of catalysts, ask Harshaw. We guarantee you'll get an answer.

For complete information, write or call The Harshaw Chemical Company, Division of Kewanee Oi l Company. We are located at 1945 East 97th Street, Cleveland, Ohio 44106 . Our phone is 2 1 6 - 7 2 1 - 8 3 0 0 .

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