Magazine - Page 7

As noted in this week's patent record of the Western Electrician , a patent has been granted to Nikola Testa on the method of insulating conductors which consists in freezing water or other mixture by...

A Crookes' radiometer was supported by its stem about four inches above the hand, which was placed upon a photographic plate enclosed in two light-tight cases. The terminals of a Tesla coil were...

The Elektrotechnische Zeitschrift quoting the Köln. Ztg. states that the suit of the Allgemeine Elektric ts-Gesellschaft of Berlin against the Aktien-Gesellschaft Helios of Cologne, for the revocation...

Ever since Mr. Tesla discovered the hurtful action of the air and gaseous matter in induction coils and condensers, he has applied himself to perfecting his apparatus and methods with the view of...

BY EDWIN J. HOUSTON AND A. E. KENNELLY. Mr. Thomas A. Edison, after numerous experiments on the Röntgen rays with about 150 different glass vacuum tubes, has communicated the following information to...

We hear on good authority that the Helios Company, of Cologne, who are the owners in Germany of the Tesla patents, have brought actions at law for infringement against all the firms in Germany who are...

The Lond. "Elec.," Oct. 4, notices a paper by Mr. Overbeck in the "Wied. Ann." No. 8, which shows that the Tesla discharge invariably consists of two oscillatory discharges of different frequencies...

It was recently stated in L'Industrie Electrique that Messrs. Schneider et Cie, of Creusot, who, in 1893, purchased exclusive rights to the Tesla rotary field patents for France, have entered suit...

Judge Lacombe, in the United States Circuit Court, New York City, on June 4, denied the application of the Westinghouse Electric and Manufacturing Company for an injunction to prevent the Stanley...

The Suburban Electric Company of Philadelphia has filed an answer in the United States Circuit Court to the suit brought against it by the Westinghouse Electric and Manufacturing Co. and Tesla...