<8 c*" /me n t o f In d u s t r ial Hy g ie n e HARVARD - UNIVERSITY SCHOOL OF PUBLIC HEALTH 55 Shattuc\ Street 'Boston 15, ^Massachusetts March 5, 1947 Dro- Robert A.

(Thompson \fta-Meter Corporation A WHOLLY-OWNED SUBSIDIARY OF THOMPSON PRODUCTS, INC.

May 23, 1944 19' Mr.

National Lead Co.

OCCUPATIONAL OISEASES INDUSTRIAL HEALTH EUTHEBFOBD T.

January 16, 1940 Mr.

MEDICAL DEPARTMENT rfKR ISHER BODY DIVISION C [: N ERA 1.

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ROTATION OF COLORS USED IN PRINTING Yellow Firat Red . .

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BRIGGS-MARONEY COMPANY.

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