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Continuous currents, flowing always in the same direction, like the current of a battery, can, it is true, be stored in accumulators, but they cannot be converted to higher or lower pressure in a transformer.
But admitting that the plunger would return to the surface, the boat would float hither and thither, and at all events lose all its properties as a submarine vessel. To avoid any such disaster a combination of motors have been in course of construction for some months, so that the accumulators might be loaded afresh on the spot, in case of their being used up.
To that end they had arranged their circuits to hurl seven hundred sixty-five thousand kilofranks the entire power of their massed accumulators and their highest possible cosmic intake in one tiny bar of superlative density, less than one meter in diameter!
"We've lost about all of our accumulators, but we can land on our own beam, and landing power is all we want, I think. You see, we're drifting straight for where Ganymede will be, and we'd better cut out every bit of power we're using, even the heaters, until we get there. This lifeboat will hold heat for quite a while, and I'd rather get pretty cold than meet any more of that gang.
Instead of dry cells or accumulators a small foot or hand operated dynamo generating direct, not alternating current, might be used. Its life is indefinitely long, whereas dry cells become exhausted with use, and accumulators need recharging from time to time. On occasion such a dynamo might prove very convenient.
The most natural and immediate application of the invention seems to be its use for the electric lighting of restaurants, in which case one of the instantaneous vaporization tubes might be connected with stoves which remain lighted all day, and which might thus besides supply the necessary motive force to work a small dynamo charging some accumulators. E. Hospitalier, in La Nature.
He twirled the fourth dial, and instantly there was a flash of light, and a moment later a terrific concussion. "It is gone." He left the controls, and went over to his apparatus. He set a heavy silver bladed switch, and placed a new tube in the apparatus. A second switch arced a bit as he drove it home. "Your generator is recharging the accumulators."
The successive crews of the Gustave Zédé suffered much from the poisonous fumes of the accumulators, and during the earlier trials all the men on board were ill. In the bows was a torpedo tube, and an arrangement was used whereby the water that entered the tube after the discharge of the torpedo was forced out by compressed air. Three Whitehead torpedoes were carried.
Electricians have been trying during the past few years to make accumulators, things in which they can store the influence and put it away in a corner and use it so that the light need not be in connection with the battery; and they have not succeeded at least it is only a very partial success. You and I cannot start accumulators.
Renard attempted to repeat his construction on a larger scale, but funds would not permit, and the type was abandoned; the motive power was not sufficient to permit of more than short flights, and even to the present time electric motors, with their necessary accumulators, are far too cumbrous to compete with the self-contained internal combustion engine.
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