MacGregor, Alpine. Nos. 28, 70-71, in Supreme Court of United States, Oct. term, 1946, Alpine MacGregor v. Westinghouse Electric & Manufacturing Company; Edward Katzinger Company v. Chicago Metallic Mfg. Company, on writs of certiorari to Supreme Court of Pennsylvania and to circuit court of appeals for 7th circuit; brief for United States as amicus curiae.