Abstracts

TECHNICAL PAPERS previewed in this section will be presented at the AIEE Great Lakes District meeting, Indianapolis, Ind., October 9–11, 1946, and will be distributed in advance pamphlet form as soon as they become available. Copies may be obtained 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.