Magazine - Page 62

Announcement has been made in the daily papers, apparently by Mr. Tesla's request, or at any rate with his sanction, that he is prepared to telegraph across the Atlantic without wires. Assertions...

The fledgling broadcasting industry of the early 1900s was blighted by fierce patent litigations. Patents in this highly innovative field were often loosely formulated and most wireless systems...

Last week we referred to a list of patents issued by the owners of the recently expired Tesla fundamental rotary field patents. A notice accompanying the list stated that certain manufacturers are...

Recent Experiments in Telegraphy with Sparks By A. Slaby. 1 In the early months of 1897, when the news appeared in the papers that it had been possible to carry out practically the sending of...

An opinion has been rendered by the United States Circuit Court of Appeals for the Third Circuit (Western Pennsylvania) in a suit involving the Tesla split-phase patents, in which he Jefferson Light...

TO THE EDITOR OF The Model Engineer . DEAR SIR, — With reference to my former query re rubber-covered wire (Reply No. 9,320) for Tesla coil, mentioned at page 515 of The Model Engineer , dated May...

KAUFFMANN and HELL. — An account of an experiment in which nitrogen was exposed to the influence of Tesla currents. The nitrogen is contained in a wide glass tube, in which there is a narrow tube...

While a large portion of the European family has been surging westward during the last three or four hundred years, settling the vast continents of America, another, but smaller, portion has been...

BY DR. F. S. KOLLE. The editorial in the last issue of The Electrical Engineer on Mr. Tesla's investigations of the harmful effects of the X-ray is a very timely contribution to the literature of the...

The prominence which has been given to power transmission by multiphase currents in the experiments between Frankfort and Lauffen, seems to have led to the impression, even among those otherwise well...