Abstract :
INTERPRETIVE abstracts of all papers which at the time of this issue are definitely scheduled for presentation at the A.I.E.E. Providence District meeting (May 4–7, 1932) are published herewith. Papers presented at this meeting will not be available in pamphlet form, but in response to popular demand and within its space limitations, ELECTRICAL ENGINEERING subsequently may publish certain of these papers, or technical articles based upon them.
