Abstracts

TECHNICAL PAPERS previewed in this section will be presented at the AIEE national technical meeting, Cleveland, Ohio, June 21–25, 1943, and are expected to be ready for distribution in advance pamphlet form within the current month. Copies may be obtained by mail from the AIEE order department, 33 West 39th Street, New York, 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. Mail orders will be filled AS PAMPHLETS BECOME AVAILABLE