April 29, 1946 Dr.

HARVARD UNIVERSITY SCH O O L O F PUBLIC H EALTH Depar t ment of Indust r ial Hygiene \ 55 Shattuc\ Street Boston, Massachusetts February 10, 1941 Dr, Robert A.

IN REPLY IN G A D D R E SS D ivision of Research G rants and Fellow ships FED ERA L SECU RI T Y A GEN CY PUBLIC HEALTH SERVICE N A T I O N A L I N ST I T U T ES O F H EA L T H B e t h e s d a 14, M a r y l a n d A p ril 4 , 1949 In reply re fe r to our RG--1970 OOKFIDMTIAL D r.

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April 15, 1949 Dr.

Jan u ar y 15 , 1948 D r .

fe. n I j --\ J New York, N.Y.

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,1c;Pic., 7 - O'** mt h u t e d w ncom ~ s--' /, ' rdo Month of Yovember 1941 Smelting department EarIta Copper Works: * *,370 Hefiniag Department Secondary department 1**4.

e s t ima t ed b e t iaccaa - Uj l e HEmns, auc onus j j d ..h it e l e a d d e p a biic j t s l e a d asmi^s d u ^t me s t * Operating Incoaa Leas - Depreciation HST ISC'CHS zuc q h d b d s par t meb ?

SAI^SSj DELIVERIES AJD PRODUCTIOM - ILL DEPARTMENTS SJGLTSt PSOIUCTIOI: Copper - lbs. - Tooele: Cuatoa Toll Miami: Cuetom Toll Lead - lbs. - Tooele SCRAP COPPER RECEIVED AT PERTH AMBOT: Recorerable Contents - lbs.

.INTERNATIONAL SMELTING AND REFINING COMPANY WHITE LEAD DEPARTMENT EAST CHICAGO, INDIANA ANNUAL REPORT YEAR 1943 *** P N Y C O O O O 1609 anaamiomi. atXLTmo amp k p ir ik o c o mpar t 1 WETS LBAP PRPAgPOHT SASI amaAflo.

September 24, 1949 Hr* 2. s.

Tr a d e Ma r k REGISTRANT NATIONAL LEAD COUPASX COUNTRY NUMBER PUERTO RICO 4382 ' TERM OF PROTECTION TEH YEARS FROM DATE OF EXPIRATION OP ORIGINAL REGISTRATION NAMELY JUNE 28, ,1948 RENEWAL DUE JUS'S 28, 1958 MARKING REGISTER3D TRADE MARK (Optional) TRADE MARK DUTCH BOY GOODS , TBhite lead, red lead, liquid lead for use as a pigment, linseed oil, flatting oil, flat paint, wall primer, .

< W ASH IN GTON 55 Shattuck St.