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These will be found in the following extracts from one of the note-books, and consist of Edison's instructions to be carried out in detail by his experimenters: "Take, say, 25 lbs. hard Cuban asphalt and separate all the different hydrocarbons, etc., as far as possible by means of solvents.
It must have fallen foul of this asteroid, run upon this rock in the ocean of space and been wrecked here." "We've got 'em, then," shouted our electric steersman, who had been a workman in Mr. Edison's laboratory and had unlimited confidence in his chief.
Take an extreme case. A group of people are photographed by Edison's new process say Titiens, Trebelli, and Jenny Lind, with any two of the finest men singers the age has known let them be photographed incessantly for half an hour while they perform a scene in Lohengrin; let all be done stereoscopically.
As to the details of these and many other ingenious devices, we must refer the curious reader to the patents, as it is merely intended in these pages to indicate in a brief manner the main principles of Edison's notable inventions. The principal United States patent on the long kiln was issued October 24, 1905, No. 802,631.
Edison's laboratory and the inventor held the little instrument, with its attached mirror, in his hand. We looked about for some object on which to try its powers. On a bare limb of a tree not far away, for it was late in fall, sat a disconsolate crow. "Good," said Mr. Edison, "that will do." He touched a button at the side of the instrument and a soft, whirring noise was heard.
In the year 1878 he took a passionate fancy for the phonograph: it was a toy after his heart, a toy that touched the skirts of life, art and science, a toy prolific of problems and theories. Something fell to be done for a University Cricket-Ground Bazaar. "And the thought struck him," Mr. Ewing writes to me, "to exhibit Edison's phonograph, then the very newest scientific marvel.
To-day the place and region have gone back to the insignificance from which Edison's genius lifted them so startlingly.
From the very first, Edison's broad idea of his storage battery was to make perforated metallic containers having the active materials packed therein; nickel hydrate for the positive and iron oxide for the negative plate.
Edison's personality, and, as it were, constructed with his own hands, disappeared in the flame and smoke of that Thursday morning fire." The few days' interruption of the service was the only serious one that has taken place in the history of the New York Edison Company from September 4, 1882, to the present date.
Although it is only a few years since the business phonograph has begun to make some headway, it is not difficult to appreciate that Edison's prediction in 1878 as to the value of such an appliance is being realized, when we find that up to this time the sales run up to 12,695 in number.
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