
    No. 640.
    Rock Drilling, Etc., Building and Common Laborers' Local Union No. 17 v. Mason & Hanger Co., Inc. et al.
    
      Hyman N. Glickstein for petitioner.
    
      Franklin Nevius for Mason & Hanger Co., Inc., Mark F. Hughes for Walsh Construction Co., Inc. et al., and William H. Wurts for George M. Brewster & Son, Inc., respondents.
   C. A. 2d Cir. Certiorari denied.  