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INTER-OFFICE CORRESPONDENCE Et iiy j .

A slight change in this process makes possible 3 distinct types of white lead The Sperry electrolytic process for manufacture of u bite lead i* unique in many wavs, one of which is that it operates under complete control.

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t September 25, 1930 n Harr Dr* Karl Wurth, Instltuta for tha Taehnioal Investigation of Paintara Matarais, Sehlabusoh, Mulheimerstr. 119, Germany. n Dear Doctor Wurth: Allow aa to thank you for tha raprint of your articla which you so kindly sent ma raoantly.

1. 1934 to Cwtooer 31. i:-36 J If*.-.

INTERIOR EXTERIOR DECORATION...PROTECTION Interior, of Jewish Synagogue, Council Bluffs, Iowa, painted with Dutch Boy White- Lead and Lead Mixing Oil by painting contractor, H.

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IF YOU saw your home or any ofyour farm buildingsin danger, of being damaged you'd push '.to protea iihem.

/ BUTCH OH CARTER PROCESS H.T.

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MMJ'dNAL ;L;SA^j;; ft Du t c h Bo y stamped... you kno w it's high-quality. _ rust-clogged lines.

BAK/HME.

CITY, COUNTY & STATE OF NEW YORK : SS: ARTHUR BHoWN, toeing duly sworn, deposes and says that he resides at 541 North First Street, New Hyde Park, long Island.