No. 76-1261. Submitted November, 11, 1976. Decided March 3, 1977. David A. Fleischer, Atty., N.L.R.B., Washington, D.C., for petitioner; John S. Irving, Jr., Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Carl L. Taylor, Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, and Michael S. Winer, Atty., N.L.R.B., Washington, D.C., on the brief. John A. McGuinn, Farmer, Shibley McGuinn Flood, Washington, D.C., for respondents; Guy Farmer, Washington, D.C., on the brief. Appeal