Electrician

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...

It has often been asked, Why has the transmission of power by polyphase currents made so little progress in this country, in comparison with its use on the Continent and in America? This difference...

TO THE EDITOR OF THE ELECTRICIAN. SIR: In your issue of November 18th I find a description of Prof. Ewing's high-frequency alternator, which has pleased me chiefly because it conveyed to me the...

The steam turbine combined with two dynamos on one shaft, which we illustrate, has been presented by Messrs. C. A. Parsons and Co., of Newcastle, to the Engineering Laboratory of Cambridge. Its chief...

Mr. N. Tesla has addressed the following letter to the Editor of the Electrical World of New York: “Sir: About a year ago I had the pleasure of bringing before the American Institute of Electrical...

This article is a reprint from the Electrical Engineer of February 14, 1894 and is intentionally not duplicated here.

The American patents in connection with rotating magnetic fields as applied to electric motors, granted to Mr. Nikola Tesla in 1888, expired on May 5th.

TO THE EDITOR OF THE ELECTRICIAN. SIR: Our attention has just been called to a paragraph in your issue of the 9th inst., on the subject of "The Polyphase Patents in Germany," in which the following...

We are glad to learn by special cablegram that the somewhat sensational Reuter's despatch, which came to hand last week, announcing not only the burning out of Mr. Nikola Tesla's laboratory, but his...

It would be a convenience if some short name could be found for vacuum tubes without electrodes. These were referred to by several speakers at the British Association, both in Papers and in discussion...