Scientific American Supplement

The Reichsgericht , of Germany, has confirmed the decision of the lower courts declaring the Tesla polyphase motor patents invalid. The court reviewing the case holds that the patents are void, owing...

It was not to be expected that in the short evening at his disposal, and with such a host of experiments to be performed, Mr. Nikola Tesla could do more than indicate, merely, the kind of way in which...

By WALTER T. STEPHENSON. Exactly ten years ago Nikola Tesla, who, in June, 1894, received high honorary degrees from the colleges of Yale and Columbia, came to this country, poor and unknown, to enter...

Note: This is a reprint of a New York Herald article from April 23rd, 1893 and is intentionally not duplicated here.

Note: This is a reprint of a New York Sun article from April 24th, 1892 and is intentionally not duplicated here.

Toward the close of 1898 a systematic research, carried on for a number of years with the object of perfecting a method of transmission of electrical energy through the natural medium, led me to...

From a paper read before the recent meeting of the American Institute of Electrical Engineers, New York, and reported in the Electrical World . The actions produced and producible by the agency of...

By the time this paper reaches its readers, if the expectations of the builders are realized, the great tunnel at Niagara will have commenced to discharge water, which, instead of falling purposeless...

Those who have followed Mr. Tesla’s work in alternating motors will recall that in 1888 he first drew public attention to his new multiphase system of operating alternating current motors, in a paper...