
    Porta-Drill, Inc., Appellant, v. R. M. Hall Corporation.
    November 15, 1966:
    Argued September 29, 1966.
    Before Bell, C. J., Mtjsmanno, Jones, Cohen, Eagen, O’Brien and Robberts, JJ.
    
      Frank W. Ittel, with him Frank W. Ittel, Jr., and Reed, Smith, Shaw & McClay, for appellant.
    
      William D. Sutton, with him Clyde A. Armstrong, and Thorp, Reed & Armstrong, for appellees.
   Opinion

Per Curiam,

Decree affirmed. Costs on appellant.  