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W & Τ Field Engineers wil l be glad to discuss the application of chlorination

through the Intermittent De-Sliming Process to your condensers and heat

exchange equipment. Call on them freely or write for technical information today.

^ / W A L L A C E & TIERNAN B E L L E V I L L E 9

P R O D U C T S , I N C N E W J E R S E Y

1240 C H E M I C A L A N D E N G I N E E R I N G N E W S