"Excerpt from a radio talk by W. W. Vincent, chief, western district, Food and Drug Administration, U. S. Department of Agriculture, broadcast through KGO, San Francisco, and associated N.B.C. stations, March 5, 1931."
Network: NBC/KGO ; Date: March 5, 1931
"Serial No. 37"
United States. Food and Drug Administration; National Broadcasting Company; KGO (Radio station : San Francisco, Calif.)