Apples for everybody : a radio conversation between Miss Ruth Van Deman, Bureau of Home Economics, Mr. Wallace Kadderly, Mr. Forney Rankin, Office of Information, Mr. James B. Hasselman, Marketing and Regulatory Work, and Mr. Ed. Rogers, National Broadcasting Company, broadcast Thursday, October 5, 1939, in the Department of Agriculture period of the National Farm and Home Hour, by the National Broadcasting Company and a network of 104 associate radio stations