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/ ' - ' Et h y l Ga s o l i n e Co r po r a t i o n G H KM ICAL IiE SEAR CH LA B O R A TO R Y 7 6 0 0 We s t Eic h it Mil e R o a d D r.

CEORGE H .

t ____ THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC H EALTH t ,M anaging Editors P h il ip Dr in k er Ma r g a r e t S.

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INTE R OFFICE CORRESPONDENCE Et HYL.

November' 2, 1944 Dr .

IMFIELD of H e a i 'h Maryland r-ELECT HpE.

a .: 463.7 HOeafdfiqcFueoarrTttheIerCsnOoIxu,aArKrtmBy.EormedastCeorr,ps November 18,1940.

January 0, 1940 Mr* 0* 3* Lessia Dear C^car: Wr*aye attaching a copy of a letter fromMr* Hogan pauor date of January 6th, reporting information given to hi by a Major 0 E* Corn*!

UNIVERSAL OIL PRODUCTS COM PANY 310 SOUTH MICHIGAN AVENUE CH I CAGO U S A October 30, 1941 Dr.

November 29, 1946 PERSONAL AND CONFIDENTIAL Mr.

The El ectric St orage Bat t ery Company ALLEGHENYAVE. and 19TH ST-, PHILADELPHIA 32 Exifce BATTERIES August 5 1949 Robert k\ Kehoe, M.D.

Fo r y ea r s , in consistent, national advertising, the Dutch Boy has been educating property owners that no one knows paint like a painter.

September 5 1940 Dr.