¶1Henry S. Ambler, of Philadelphia, Pa. (Frank R. Ambler, of Philadelphia, Pa., on the brief), for appellants.
¶2Charles M. Bolich, of Allentown, Pa., for appellee.
¶3Before GOODRICH, McLAUGHLIN, and KALODNER, Circuit Judges.
¶5The judgment of the District Court, 71 F.Supp. 772, is affirmed.