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Updated: May 1, 2025
Meanwhile the doctor explained to me that not only the telephone and electroscope were always connected with a great number of regular stations commanding all scenes of special interest, but that whenever in any part of the world there occurred a spectacle or accident of particular interest, special connections were instantly made, so that all mankind could at once see what the situation was for themselves without need of actual or alleged special artists on the spot.
Again, in his Reality of Psychic Phenomena, he says: "I took the electroscope to the table in the corner; then placed it in the circle near the medium. I asked the operators to touch the disc of the instrument very gently.
"... In séance rooms where tables are moved without physical contact, I found that after a sitting was well started, I was always unable to charge an electroscope, even though I tried to do so in the corner of the chamber farthest from the medium. In order to charge it I had to take it outside the room. By 'power' I understand them to mean particles of matter taken from the medium...."
A strong battery was to act at a distance upon an electroscope, and the dispatches were to be transmitted by the aid of a conventional vocabulary based upon the number of the electroscope's motions. Finally, in 1844, Henry Highton took out a patent in England for a telegraph working through electricity of high tension, with the use of a single line wire.
Instantly the leaves collapsed and he made a reading through the lens. "What is it?" I asked. "A radioscope," he replied, still observing the scale. "Really a very sensitive gold leaf electroscope, devised by one of the students of Madame Curie. This method of detection is far more sensitive even than the spectroscope." "What does it mean when the leaves collapse?" I asked.
They did this almost at once, the 'touching' consisting of a metallic scraping upon the brass disc, quite audible, similar in type to the imitation of the floor being rubbed with sand paper, a phenomenon I quite often observed. "Result: On examination, the electroscope was found to be completely discharged!
Jack ascertained these facts by touching an electroscope with a bit of balloon cloth of the kind used on the Wondership, and charged with 2,000 volts of electricity. The electroscope instantly responded.
The chemical experts have a startling theory. Chemical analysis fails to reach the radio-active properties, and for their examination the electroscope and spinthariscope are needful. With these the radio-chemists are at work. The wire melted at a lower temperature than lead, but melting did not destroy its potency.
It is a curious paradox that while the telephone and electroscope, by abolishing distance as a hindrance to sight and hearing, have brought mankind into a closeness of sympathetic and intellectual rapport never before imagined, they have at the same time enabled individuals, although keeping in closest touch with everything going on in the world, to enjoy, if they choose, a physical privacy, such as one had to be a hermit to command in your day.
Schwarze are found collected a mass of facts that cannot fail to interest the physician and the biologist; besides, we find there a description of Exner's apparatus which was used by Schwarze in most of his experiments on electrical phenomena of this kind. By the side of gold leaf electroscopes we see a feather electroscope, which is fastened to its support by means of a silken thread.
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