Yeadon, Pa. Before Pennsylvania Public Utility Commission, C. 13942, borough of Yeadon, C. 13943, John G. Smith, C. 13944, F. Karl Langguth, C. 13945, John E. McNutt, C. 13951, Charles J. Fowler et al. v. Longacre Park Heating Company; brief of price administrator of Office of Price Administration and in behalf of director of economic stabilization, interveners, and borough of Yeadon, complainant.