
    George Ocskai, Appellant, v. De Laval Separator Company et al., Respondents-Appellants, and H. H. Robertson & Co., Respondent. H. H. Robertson & Co., Third-Party Plaintiff-Respondent, v. Allied Erectors, Inc., Third-Party Defendant-Respondent.
   Judgment, Supreme Court, New York County, entered on November 9, 1971, unanimously affirmed on opinion of Grossman, J., at Trial- Term, without costs and without disbursements. No opinion. Concur — McGivern, J. P., Markewich, Nunez, Kupferman and Murphy, JJ.  