Second banquet meeting of the Institute of Radio Engineers (now part of the Institute of Electrical and Electronics Engineers) at Luchow's in New York City, April 24, 1915. Many prominent figures in the development of radio attended. Nikola Tesla is standing at back, seventh from the right.
One of Dr. Tesla's striking experiments. A blare of light produced in a filamentless bulb by wireless power transmitted from a loop carrying terrific currents oscillating eighty million times per second.