CHAPTER XXVI.
THE NEW YORK LECTURE. EXPERIMENTS WITH ALTERNATE CURRENTS OF VERY HIGH FREQUENCY, AND THEIR APPLICATION TO METHODS OF ARTIFICIAL ILLUMINATION, MAY 20, 1891. 145
THE NEW YORK LECTURE. EXPERIMENTS WITH ALTERNATE CURRENTS OF VERY HIGH FREQUENCY, AND THEIR APPLICATION TO METHODS OF ARTIFICIAL ILLUMINATION, MAY 20, 1891. 145