
    No. 290.
    Halliburton Oil Well Cementing Co. v. Walker et al., doing business as Depthograph Company.
    Argued January 9, 1946.
    Decided January 28, 1946.
    
      Mr. Earl Bab-cock for petitioner.
    
      Mr. Harold W. Mattingly for respondents.
   Per Curiam:

The judgment is affirmed by an equally divided Court.  