. Proceedings of the annual convention . Illustration 5—Field weathering test on 1-in by 3-in by 8-in coated speci-mens half buried in an upright position. This test was followed by a similartest using 3-in by 4-in by 16-in specimens shown in Illustration Illustration 6—Field weathering test on 3-in by 4-in by 16-in coatedspecimens half buried in the ground in an upright position. 204 W a t e r p r o ofing

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