Electrical Engineer Volume 24; An Illustrated Record and Review of Electrical Progress (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 Excerpt: ...up another number, and he will be entitled to speak without extra charge with any other subscriber calling him. It is also proposed to issue calloffice signs freely to shopkeepers who may wish to use the telephone on the new system. These proposals, which, we truat, will be confirmed by the company and actually given to the public with the New Year, will tend to greatly popularise the company's system. Of course, any regular user of the telephone will find it cheaper to pay a fixed sum, as he does at present, and we believe, also, that a large number of subscribers will join at the new rates, and that a very fair proportion of these will find the telephone so useful that it will be cheaper for them to pay the fixed charges. Leeds Association of Engineers.--The first meeting of the winter session of this association was held last week, when the president, Mr. J. A. Tempest, delivered an address. He referred to the very prosperous state of the engineering trades at the present time, and to the enormous increase in the cost of raw materials. In so doing, he expressed the hope that a similar rise in the finished products would be demanded by the manufacturers. Turning to local affairs, he gave some interesting facts about the new works put down in Leeds by Messrs. Greenwood and Batley for the manufacture of De Laval steam-turbines. These works, now in course of completion, cover nearly an acre. The motive power for them is to be obtained from a 100-h.p. steam turbo-dynamo working condensing, superheated steam supplied to the turbine. The details of the De Laval steam-turbine, which is of the impulse type, are, we believe, known to most of our readers. It is characterised by exceedingly high speeds, which necessitate a gearing between the turbine and the dynamo....