Abstract :
Plans are well under way for the June Convention which will be held at Swampscott, Mass., June 25–29. A feature of the convention will be a lecture by Captain R. R. Belknap, U. S. N., on the “North Sea Mine Barrage.” Captain Belknap will illustrate the lecture and bring out the electrical features associated with the war job of adequately placing mines in the North Sea during the war.