
    Cade et ux., Appellants, v. Yellow Cab Company of Philadelphia.
    Argued March 23, 1971.
    
      Mitchell A. Kramer, with him David C. Harrison, and Kramer, Harrison & Bernstein, for appellants;
    
      Charles C. Hilemam, III, with him Schnader, Harrison, Segal & Lewis, for appellee.
   Order affirmed.  