now from Mallinckrodt the quality line of labware designed with

now from Mallinckrodt the quality line of labware designed with purpose

Your first glance at this new catalog will tell you why Pioneer is the Preferred Plastic Labware line. Each item is designed with purpose. Manufactured with care. Priced to cost you less—and save still more each time it's dropped. More than a hundred items are listed— many with laboratory engineered features that only Pioneer Preferred Plastics offer: Measure-matic dispensers, quick connectors, reagent dispensers, unique valves and fittings for flexible tubing. Ready-to-ship stocks of Pioneer labware are as near as your Mallinckrodt Distributor. Ask him for your copy of this new catalog or mail the coupon today.

Pioneer Plastics Division-Mallinckrodt Chemical Works Second and Mallinckrodt Streets · St. Louis, Missouri 63160 Please send new Preferred Plastic Labware Catalog Name CompanyAddress—

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PIONEER PLASTICS DIVISION / MALLINCKRODT CHEMICAL WORKS / St. Louis / New York / Los Angeles

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