The retardation in a telegraphic cable, on the contrary, is proportional to the length of the conducting-wire and the intensity of the battery. ❋ Various (N/A)
But we have shown, that, practically, by the increased size of the conducting-wire, the new cable has been reduced in length four-fifths, and will work five times as fast as the old one. ❋ Various (N/A)
If, then, by comparison, we estimate the resistance in the old Atlantic cable to have been equal to two thousand miles of ordinary telegraph-wire, the increased size of the conducting-wire of the new cable reduces the resistance to one-fifth that distance, or four hundred miles. ❋ Various (N/A)
Now, as already remarked, the copper conducting-wire in the old cable weighed but ninety-three pounds to the mile, while in the new cable it weighs five hundred and ten pounds to the mile, or more than five times as much. ❋ Various (N/A)
Atlantic cable the copper conducting-wire weighed but ninety-three pounds to the mile, while in the new cable it weighs five hundred and ten pounds to the mile, _or more than five times as much_. ❋ Various (N/A)
From the foregoing law it will be seen that there are two ways of lessening the resistance upon telegraphic conductors, -- one by reducing the length, and the other by increasing the area of the section of the conducting-wire. ❋ Various (N/A)
By locally raising the temperature of an inconceivably fine strip of platinum serving as the conducting-wire in a circuit, the flow of electricity is impeded at that point, and the included galvanometer records a disturbance of the electrical flow. ❋ Unknown (1874)
Dover and Calais, till now, about fifteen years, many thousands of miles of conducting-wire have been laid along the bottom of the sea to many parts of the world, and they are in full and successful operation at this moment. ❋ Unknown (1859)
On aërial telegraph-lines this increase in the intensity of the battery occasions no particular inconvenience, other than by tending to the more rapid destruction of the small copper coils, or helices, employed; but upon submarine lines it has the effect of increasing the static electricity, or electricity of tension, which accumulates along the surface of the gutta-percha covering of the conducting-wire, in the same manner as static electricity accumulates on the surface of glass, or of ❋ Various (N/A)
Calkins; Wall of the Hoof covered with Tinfoil. a, Heel angle, with b, the contact-screws; c, screw-clamp, with contact-spring (isolated from the shoe); c 'conducting-wire from the same; d, screw-clamp, with conducting-wire (d') screwed into the edge of the shoe; e, nails isolated by cutting a small window in the tinfoil.] [Illustration: Fig. 35. ❋ Harry Caulton Reeks (N/A)
