No. 13519. Argued June 6, 1961. Decided July 31, 1961. On Petition for Enforcement of an Order of the National Labor Relations Board. Lee M. Modjeska, Washington, D.C. (Stuart Rothman, General Counsel, Dominick L. Manoli, Associate General Counsel, Marcel Mallet-Prevost, Asst. General Counsel, Samuel M. Singer, Washington, D.C., on the brief), for petitioner. No appearance for respondent. Before BIGGS, Chief Judge, and HASTIE and FORMAN, Circuit Judges. PER CURIAM. The National Labor Relations Board