Abstracts

TECHNICAL PAPERS previewed in this section will be presented at the AIEE winter meeting, New York, N. Y., January 27–31, 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 18, N. Y., at prices indicated with the abstract; or at five cents less per copy if purchased at AIEE headquarters or at the meeting registration desk. Prices for nonmembere will be twice those for members.