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If you don't see what you want, just ask for it. Harshaw a lways has a couple of hundred propr ie tary

catalysts on the shelf. These a r e the standard catalysts most often requested. And just to illustrate how complete our line is, we stock 3 3 different nickel catalysts alone.

But suppose your operat ion requires a catalyst with special physical properties and chemical composition. No problem. Just ask Harshaw. And we'l l come up with the catalyst that's custom-tailored to your specific needs. W e ' r e catalyst ex­perts. W e have been for more than 2 5 years.

So write for our ca ta log . O r call us for fast service. W h e n

it's a question of cata lysts, ask Harshaw. W e g u a r a n t e e you'll get an answer.

For complete in format ion , wr i te or call The Harshaw Chemical C o m p a n y , Division of K e w a n e e O i l C o m p a n y . W e are located at 1 9 4 5 East 97 th Street, Cleveland, Ohio 4 4 1 0 6 . Our phone is 2 1 6 - 7 2 1 - 8 3 0 0 .

Harshaw*®