No. 16538. December 22, 1960. Allan I. Mendelsohn, Atty., N.L.R.B., Washington, D.C., for National Labor Relations Board. Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Allison W. Brown, Jr., and Richard J. Scupi, Attys., N.L.R.B., Washington, D.C., on the brief. Mozart G. Ratner, Washington, D.C., for respondents. David D. Weinberg, Omaha, Neb., on the brief. Before WOODROUGH, VAN OOSTERHOUT, and MATTHES, Circuit Judges. MATTHES