At his Colorado Springs laboratory during 1899--1900, by using voltages of the order of 10 megavolts generated by an enormous coil, he was able to light three incandescent lamps at a distance of about one hundred feet.
He was able to light three incandescent lamps at a distance of about one hundred feet. This was at his Colorado Springs laboratory during 1899--1900. This was by using voltages of the order of 10 megavolts. These 10 megavolts were generated by an enormous coil.