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Updated: May 16, 2025
The atmosphere had been clear every day during the last week, about the end of which snow fell, when the thermometer rose from 20 degrees below to 16 degrees above zero. The Aurora Borealis was twice visible but faint on both occasions. Its appearance did not affect the electrometer nor could we perceive the compass to be disturbed.
In electricity he has made a remarkable discovery: you write two or three words on a paper; he takes it with him into a room, and turns a machine inclosed in a cylindrical case, at the top of which is an electrometer, a small fine pith ball; a wire connects with a similar cylinder and electrometer in a distant apartment; and his wife, by remarking the corresponding motions of the ball, writes down the words they indicate; from which it appears that he has formed an alphabet of motions.
"Don't talk nonsense. You're very much alive. You are in the laboratory, blundering about. You've just smashed a new electrometer. I don't envy you when Boyce arrives." He stared away from me towards the diagrams of cryohydrates. "I must be deaf," said he. "They've fired a gun, for there goes the puff of smoke, and I never heard a sound."
Why, the very life of an ecclesiastical organization is a life of induction, a state of perpetually disturbed equilibrium kept up by another charged body in the neighborhood. If the two bodies touch and share their respective charges, down goes the index of the electrometer! Do you know that every man has a religious belief peculiar to himself? Smith is always a Smithite.
Our guides were discouraged; they wished to go back, and we had great difficulty in preventing them. In the midst of the mist I made trial of the electrometer of Volta, armed with a smoking match. Though very near a thick wood of heliconias, I obtained very sensible signs of atmospheric electricity. It often varied from positive to negative, its intensity changing every instant.
Lemond's, a very ingenious mechanician, and one who has a genius for invention.... He has made a remarkable discovery in electricity. You write two or three words upon paper; he takes them with him into a room and revolves a machine within a sheath at the top of which there is an electrometer a pretty little ball of feather pith.
A thought, such as, for instance, the perception that two and two make four, is not long or broad, above or beneath; it cannot be measured or weighed in inches or pounds like matter, tested with the manometer, thermometer, or electrometer for its potential or intensity and tension, measured by ampères or volts or horse-powers like energies and electric currents; it is something wholly different, which can be known only through inner experience, but which is much better known than anything else whatever, and which it is absolutely impossible to compare with anything but itself.
Among Sir William's other inventions we may specially mention an electrometer, which has now assumed a very complete form.
Finally, before each screen there was a pith-ball electrometer. A lever handle, J, interposed into the circuit a Volta's pistol, F, that served as a call. When one of the operators desired to send a dispatch to the other he connected the conductor with the machine, and, setting the latter in operation, discharged his correspondent's pistol as a signal.
Charge the prime conductor of an electrical machine, and a gold-leaf electrometer, far off from it, will at once be disturbed. Electricity, as we all know, can be stored and transported as if it were a measurable fluid. "Your incident is a typical example of cerebral induction from a source containing stored cerebricity.
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