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East Chicago, Indiana June 13, 1945 Mr.

LAVERACK & HAINES in c o r p o r a t e d INSURANCE WHITE BUILDING BUFFALO, N.

August 3# 1942.

ARTIL1ERY HOUSE, ARTELhEftY ROTS; LORBO^S.WJ J ^\ ABfi6,Y-3374-7 ... -------- Jihtvefyrst:.

ALEX.

THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH K^danaging Editors Ph il ip Dr in k e r Ma r g a r e t 3.

CLINTON H.

in t e r -arrtcc CORRESPONDENCE Et h y l , Ga s o l in e Co r p o r a t io n BOSTON DIVISION Pa r k Sq u a r e b u i l d i n g Bo s t o n , Ma s s October 1st, 1941 Dr.

paint Research December, 1949 -26- #97 - Coot. 4.

March 14, 1941 Dr.

November 3, 1944 19 Dr.

February 9, 1944 19 Dr.

Patented Oct. 22, 1940 2,218,940 UNITED STATES PATENT OFFICE 2,218,940 WHITE LEAD Gustave W.

National Lead Company lit BROADWAY NEW YORK , N.