Dean Linseed Oil Company. In Court of Claims, no. 22619, Dean Linseed Oil Co. v. United States, no. 22576, Arnold Thayer et al. v. [same]; no. 22577, National Lead & Oil Co. of Pennsylvania v. [same]; no. 22578, John T. Lewis & Bros. Co. v. [same]; no. 22579, National Lead Co. v. [same]; brief for defendant.