HUMBLE OIL REFINING COMPANY v. BAY BELLE

Marvin C. Wahl, Baltimore, Md. (Wahl Wahl, Solomon B. Levin, Baltimore, Md.,

Warren, Chasan, Leyner Holland, Jersey City, N.J., on brief), for

Samuel D. Slade, Philadelphia, Pa. (David H. Rosenbluth, Gilbert W. Oswald, Stradley, Ronon, Stevens Young, Philadelphia, Pa.,

Schnader, Harrison, Segal Lewis, Philadelphia, Pa., on brief), for