Magazine - Page 21

In our issue of November 10, 1911, we gave a short account of the Tesla turbine, and showed that even under ideal conditions the hydraulic efficiency of a turbine of this kind cannot possibly exceed...

This article is a reprint from Electrical World and Engineer of April 29, 1905 and is intentionally not duplicated here.

A patent issued April 18 to Mr. Nikola Tesla was briefly noticed in these columns last week, the subject being "The Art of Transmitting Electrical Energy Through the Natural Mediums." Below is given a...

The discoveries and inventions of Nikola Tesla have excited much interest in the scientific world, and, not withstanding the fact that he has been very reticent regarding his achievements and...

There are two errors in connection with wireless telegraphy that are being constantly repeated, viz., that Marconi has done nothing new, and that the British Post Office neglected the work of Dr...

According to the New York Journal , of August 4 , Mr. Tesla announces the completion of his work for the transmission of messages from one point to another on the earth, without the aid of wires. To...

The suit of the Westinghouse Electric & Manufacturing Company against the New England Granite Company upon an infringement of the three Tesla polyphase power-transmission patents issued May 1, 1888...

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...