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Updated: May 12, 2025
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.
But getting the birds is by no means all of ostrich farming, as many eager experimenters have discovered to their cost. The birds must have a certain sort of pasture land; and their paddocks must be built on an earth that will not soil or break the edges of the new plumes. And then there is the constant danger of wild beasts.
The development of the storage battery has been no exception; indeed, far from otherwise, for in the ten years that have elapsed since the time he set himself and his mechanics, chemists, machinists, and experimenters at work to develop a practical commercial cell, the old story of incessant and persistent efforts so manifest in the working out of other inventions was fully repeated.
These researches have permitted a few controversial questions between theorists and experimenters to be solved: in particular, M. Voigt has verified the consequences of the calculations, taking care not to make, like Cauchy and Poisson, the hypothesis of central forces a mere function of distance, and has recognized a potential which depends on the relative orientation of the molecules.
James R. Cocke, one of the most scientific experimenters in hypnotism in America. His directions of are special value, since they are more applicable to American subjects than the directions given by French writers. Says Dr. Cocke: "The hypnotic state can be produced in one of the following ways: First, command the subject to close his eyes. Tell him his mind is a blank.
Mystical experimenters for centuries had been ransacking all nature, from the yellow flowers which are sacred to the sun, and gold his emblem and representative on earth, down to the vilest excrements of the human body.
The experimenters realized that future success lay in making the ether carry telephonic currents as it carried telegraphic currents. They succeeded in establishing communication without wires, using the same antenna as in wireless telegraphy, and the principles determined are those used in the wireless telephone of to-day.
But so extraordinary would be the fact, that a single atom of substances which a child might swallow without harm by the teaspoonful could, by an easy mechanical process, be made to develop such inconceivable powers, that nothing but the strictest agreement of the most cautious experimenters, secured by every guaranty that they were honest and faithful, appealing to repeated experiments in public, with every precaution to guard against error, and with the most plain and peremptory results, should induce us to lend any credence to such pretensions.
He must simplify them and bring them down to the most elementary situations, in which only the characteristic mental actions are left. Is this not the way in which the experimenters proceed in every field?
From time to time men of eminence, and fully competent, by their knowledge of biological phenomena, and their skill and accuracy in conducting scientific investigation, have made the most patient and careful examination of the evidence placed before them by the professed believers and practitioners of so-called magnetic, phreno-magnetic, electro-biological, and spiritualistic phenomena; and the result has been uniformly the same in all cases when they were permitted to secure conditions by which the reality of the phenomena, or the justice of their interpretation, could be tested viz., either that the experiments signally failed to educe the results professed, or that the experimenters were detected in the most shameless and determined impostures."
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