No. 17200. Argued March 20, 1963. Decided May 23, 1963. Mr. Duane B. Beeson, San Francisco, Cal., of the bar of the Supreme Court of California, pro hac vice, by special leave of court, with whom Mr. Mozart G. Ratner, Washington, D.C., was on the brief, for petitioner. Mr. Hans J. Lehmann, Atty., N.L.R.B., with whom Messrs. Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, and Marcel Mallet-Prevost, Asst. Gen. Counsel, N.L.R.B., were on the brief, for respondent. Before DANAHER