Industries

Some weeks ago we gave a short abstract of a paper read by Mr. Tesla on some very beautiful experiments he has been making. His paper, which is now accessible in full, has deservedly caused no little...

Letters to the Editor. To the Editor of “Industries.” Sir, - In your issue of the 10th October I find an article relating to some remarks made by me in other journals. You say “it is perhaps an...

Our note on this subject on page 186 in our issue of the 22nd of August has called forth three or four columns of comment from Mr. Tesla in other journals, but he has not even favoured us with an...

The object of this invention is to provide an improved method for regulating the current of dynamo electric machines. A 1 and B 1 are the brushes of the main circuit, and C an auxiliary brush. The...