Abstracts

TECHNICAL PAPERS previewed in this section will be presented at the AIEE Midwest general meeting, Chicago, Ill., November 3–7, 1947, and will be distributed in advance pamphlet form as soon as they become available. Members may obtain copies by mail from the AIEE Order Department, 33 West 39th Street, New York 1ft, N. Y., at prices indicated with the abstracts; or at five cents less per copy if purchased at AIEE headquarters or at the meeting registration desk. Prices of copies to nonmembers will be twice those for members, less five cents for mailed copies.