
    428 A.2d 238
    Himelinski et ux. v. Alcoa, Appellant, v. Westinghouse Electric Corp. et al.
    Submitted April 9,1979.
    James F. Manley, for appellant;
    Thomas L. Cooper, for Himelinski, appellees; Richard C. Lewis, for Westinghouse, appellee; Robert B. Sommer, for DeLaval Stream Turbine Company, appellee.
    Before VAN der VOORT, SPAETH and WATKINS, JJ.
   Order affirmed.  