Magazine - Page 2

BY EDWARD P. THOMPSON, M. E. One of the most important facts necessary in order to determine the nature of the X-rays is that which will prove their source. In the first place Prof. Röntgen alleges...

KNOBLAUCH. — An investigation of the following phenomenon: The discharge from a Tesla pole charges an insulated metallic plate positively at a certain distance and negatively at a greater distance...

BY EDWARD P. THOMPSON. The contents of a communication from Dr. Philip Lenard, of Heidelberg, may be of interest as shedding some light on the relations between X-rays and external cathode rays. The...

In our present issue we publish another important communication from Mr. Tesla in regard to the Roentgen rays. Mr. Tesla has worked ceaselessly, and in his articles, exclusively published in our...

General Electric. — Westinghouse Electric & Manufacturing. — The board of control is reported to have completed the work of settling all the patent suits in which the two companies had engaged...

Those who have followed the development of electrical industry in recent years, and more particularly the application of alternating currents for industrial purposes, will be able to justly appreciate...

The important researches and experiments which Nikola Tesla has been carrying on for years, and which have created such a widespread interest in the scientific world, have culminated in the production...

Mr. Nikola Tesla, at the World's Fair Congress of Electricians, first drew attention to his method and apparatus for the continuous production of alternating currents of constant period, and in which...

The Westinghouse Electric & Manufacturing Company has announced in connection with the expiration this week of the three fundamental Tesla patents, that it holds numerous other patents relating to...

( Concluded. ) Editor note: See part one here . BY EDWIN F. NORTHRUP AND ELLIOTT WOODS. Two views, reproduced from photographs, of two coils constructed on the general lines described above are...