December 1^, 1947 Dr.

BANKERS INDEMNITY INSURANCE COMPANY NEW ARK NEW JERSEY CLAIM DEPARTMENT ' C.

M.

THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH ^ M an agin g E ditors Ph il ip Dr in k e r Ma r g a r e t 3.

September 26, 1945 Dr - 5.

August 2, 1948 Dr.

E. 1. d u Po n t d e Ne m o u r s & Co mp a n y INC O RPO R ATED Wil m in g t o n 9 8 , De l a w a r e ORGANIC CHEM ICALS DEPARTMENT PETROLEUM CHEM ICALS DIVISION Copy to: Mr.

It } si U N I T ED ST A T ES M A RITIM E CO M M ISSIO N .

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ROBERT M.

R.

s a l Oil Pr o d u c t s Co m p a n y /N E R A LIC E N SO R D U B B S C R A C K IN G PROCESS Ch i c a g o , U.S.A.

COPY Sant i ago, 2nd.

cc : Dr.

129 FRONT STREET, NEW YORK CITY March 21, 1940 professor, Robert A.