Abstracts .... prepared by the authors of the papers and approved by the technical program committee

The two technical papers previewed in this section will be presented at the AIEE winter meeting, New York, NY, USA, 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, at prices indicated with the abstracts. Prices of mailed copies to nonmembers will be twice those for members less five cents.