Abstract :
Circumstances have made it expedient to change the date of the proposed meeting at San Francisco, from April 21–23 to May 5, 6 and 7, 1910. The meeting will be under the auspices of the High-Tension Transmission Committee, and will be held in the auditorium of the Home Telephone Company´s building, 333 Grant Avenue, San Francisco, Cal. There will be four professional sessions on the first two days, and a tour of inspection on the third day and several days of the succeeding week. The sessions will be held at 9 a.m. and 2 p.m. on May 5 and May 6, 1910. The following papers will be presented by their respective authors: