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第73章

In October, 1878, he telegraphed the news to London and Paris, where, owing to his great reputation, it caused an immediate panic in the gas market. As time passed, and the new illuminant was backward in appearing, the shares recovered their old value. Edison was severely blamed for causing the disturbance; but, nevertheless, his announcement had been verified in all but the question of cost. The introduction of a practical system of electric lighting employed his resources for several years. Dynamos, types of lamps and conductors, electric meters, safety fuses, and other appliances had to be invented. In 1882 he returned to New York, to superintend the installation of his system in that city.

His researches on the dynamo caused him to devise what he calls an 'harmonic engine.' It consists of a tuning-fork, kept in vibration by two small electro-magnets, excited with three or four battery cells.

It is capable of working a small pump, but is little more than a scientific curiosity. With the object of transforming heat direct from the furnace into electricity, he also devised a 'pyro-electric generator,' but it never passed beyond the experimental stage.

The same may be said for his pyro-electric motor. His dynamo-electric motors and system of electric railways are, however, a more promising invention. His method of telegraphing to and from a railway train in motion, by induction through the air to a telegraph wire running along the line, is very ingenious, and has been tried with a fair amount of success.

At present he is working at the 'Kinetograph,' a combination of the phonograph and the instantaneous photograph as exhibited in the zoetrope, by which he expects to produce an animated picture or simulacrum of a scene in real life or the drama, with its appropriate words and sounds.

Edison now resides at Llewellyn Park, Orange, a picturesque suburb of New York. His laboratory there is a glorified edition of Menlo Park, and realises the inventor's dream. The main building is of brick, in three stories; but there are several annexes. Each workshop and testing room is devoted to a particular purpose. The machine shops and dynamo rooms are equipped with the best engines and tools, the laboratories with the finest instruments that money can procure. There are drawing, photographic, and photometric chambers, physical, chemical, and metallurgical laboratories. There is a fine lecture-hall, and a splendid library and reading-room. He employs several hundred workmen and assistants, all chosen for their intelligence and skill. In this retreat Edison is surrounded with everything that his heart desires. In the words of a reporter, the place is equally capable of turning out a 'chronometer or a Cunard steamer.' It is probably the finest laboratory in the world.

In 1889, Edison, accompanied by his second wife, paid a holiday visit to Europe and the Paris Exhibition. He was received everywhere with the greatest enthusiasm, and the King of Italy created him a Grand Officer of the Crown of Italy, with the title of Count. But the phonograph speaks more for his genius than the voice of the multitude, the electric light is a better illustration of his energy than the ribbon of an order, and the finest monument to his pluck, sagacity, and perseverance is the magnificent laboratory which has been built through his own efforts at Llewellyn Park. [One of his characteristic sayings may be quoted here: 'Genius is an exhaustless capacity for work in detail, which, combined with grit and gumption and love of right, ensures to every man success and happiness in this world and the next.']

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