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#150 - Durability Studies of Zinc Sulphide Pigment Combinations Panels 2280-4 C were examined after a full 6 years' exposure at Chicago* There are duplicate sets - vertical and 45 exposure.

Minutes of Meeting of Executive Committee _held April 30. 1929.

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In t e r n a t io n a l Sme l t in g a n d Re f in in g Co mp a n y East Chicago.

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April 11, 1963 Dr.

9 E 3-8238 BERNARD L.

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LEAD INDUSTRIES ASSOCIATION, In c . 292 MADISON AVENUE n e w y o r k , n .y . 10017 October 31, 1967 OTELEPHONE-AREA CODE bj ec t OR 9-6020 NOTICE OF MEETING To the Board of Directors of the Lead Industries Association, Inc.: Dear Sir: There will be a meeting of the Board of Directors of the Lead Industries Association, Inc. starting at 2:00 P.M. on Tuesday, December 5, 1967 at the Association's headquarters.

|ix) ; 4 *4*3W.31l 11 . * - ** 1*003 ** *. c THE ROCKEFELLER UNIVERSITY NewYozk,N.Y. 10021 13 December 1968 Dr.

Table A Ingredients Dutch B..y white-lead......................