No. 432, Docket 32743. Argued March 13, 1969. Decided July 29, 1969. Nancy M. Sherman, Washington, D.C. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Baruch A. Fellner, N.L.R.B., Washington, D.C., on the brief), for petitioner. Hugh P. Husband, Jr., New York City, for respondent. Before MOORE and FEINBERG, Circuit Judges and McLEAN, District Judge. Of the Southern District of New York, sitting by designation. MOORE, Circuit Judge: