Annual convention of illuminating engineers

The twenty-first annual convention of the Illuminating Engineers, to be held in Chicago October 11–14, inclusive, will be replete with features of scientific, commercial and practical interest. John F. Gilchrist, vice-president of the Commonwealth Edison Company, will give the address of welcome and there will be many Institute members represented on the program following. H. H. Higbie, Professor of Electrical Engineering at the University of Michigan, will deliver his president´s address upon the morning of the opening day; Mr. Preston S. Millar will report on his committee´s work for the year on street lighting and, directed by G. H. Stickney, there will be a symposium on office lighting. Photometry and the photoelectric cell will be ably discussed as will also the lighting of railroad yards, airports and airways. Abundant provision will be made for the entertainment of visiting ladies.