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whereby the earth connections are maintained at widely-different potentials; and a receiver, which comprises a plurality of plates in inductive relation, means for permanently charging235 the plates, and a local circuit controlled by said plates.

9. In a signal system, the combination of a transmitter, which comprises a source of fluctuating electrical energy, a primary of a transformer in the circuit of said source, a means for controlling the energy in accordance with the signal sent, and connections from the secondary of said 240transformer to separated earth-plates through an energy-restraining device, 245whereby said earth-plates are maintained at widely-different potentials; and a receiver, which comprises a plurality of plates in inductive relation, means for permanently charging the plates, and a local circuit controlled by 250said plates.

10. In a signal system, the combination of a transmitter which comprises a generator of fluctuating potentials, and connections from said generator to separated earth-plates 255through an energy-restraining means; and a receiver, which comprises a plurality of plates in inductive relation, and a source of high potential energy in connection with opposing plates through an earth-circuit.

26011. In a signal system, the combination of a transmitter, which comprises means for generating fluctuating potential differences, connections for said means to separated earth-plates, and means for modifying the fluctuating265 potentials in accordance with the signal to be sent; and a receiver, which comprises a plurality of plates in inductive relation, and a source of high-potential energy in connection with opposing plates through an earth-circuit.270

12. In a signal system, the combination of a transmitter which comprises means for generating high-potential fluctuating energy, connections from said means to separated earth-plates275 through an energy-restraining means, whereby the earth connections are maintained at widely-different potentials; and a receiver, which comprises a plurality of plates in inductive relation, and a source of high-potential280 energy in connection with opposing plates through an earth-circuit.

13. In a signal system, the combination of a transmitter which comprises a source of fluctuating electrical energy, a primary of a 285transformer in the circuit of said source, a means for controlling the energy in accordance with the signal sent, and connections from the secondary of said transformer to separated earth plates through an energy-restraining device, 290whereby said earth-plates are maintained at widely-different potentials; and a receiver which comprises a plurality of plates in inductive relation, and a source of high-potential energy in connection with the opposing 295plates through an earth-circuit.

14. In a signal system, the combination of a transmitter, which comprises a generator of fluctuating potentials, and connections from said generator to separated earth-plates through an energy-restraining means; and a300 receiver, which comprises opposing plates, a high-potential source of energy connected to said plates through an earth-circuit to permanently charge the same, and a circuit-controlling means operated by the reaction 305between said plates upon the reception of a signal.

15. In a signal system, the combination of a transmitter, which comprises a generator of fluctuating potentials, and connections from310 said generator to separated earth-plates through an energy-restraining means, and a receiver, which comprises plates in inductive relation to each other, means for normally charging said plates to a high potential,315 means controlling a local signal-circuit operated upon fluctuations of charge on said plates due to received signal energy.

16. In a signal system, the combination of a transmitter, which comprises a generator of320 fluctuating potentials, and connections from said generator to separated earth-plates through an energy-restraining means; and a receiver, which comprises a plurality of plates in inductive relation, batteries of high325 potential permanently charging the plates, and a local circuit controlled by said plates.

17. In a signal system, the combination of a transmitter, which comprises a generator of fluctuating potentials, and connections from330 said generator to separated earth-plates through an energy-restraining means; and a receiver, which comprises a plurality of plates in inductive relation, a battery of high potential energy in connection with opposing335 plates through an earth-circuit.

18. In a signal system, the combination of a transmitter, which comprises a generator of fluctuating potential, and connections from said generator to separated earth-plates340 through an energy-restraining means; and a receiver which comprises opposing plates, a battery of high potential connected to said plates through an earth-circuit to permanently charge the same, and a circuit-controlling345 means operated by the reaction between said plates upon the reception of a signal.

19. In a signal system, the combination of a transmitter, which comprises a generator of fluctuating potential, and connections from350 said generator to separated earth-plates through an energy-restraining means; and a receiver, which comprises plates in inductive relation to each other, a battery for normally charging said plates to a high potential, and355 means controlling a local signal-circuit operated upon fluctuations and charge on said plates due to received signal energy.

In testimony whereof I affix my signature in presence of two witnesses.

Witnesses:

J. N. Fort, Jr.,

Chas. J. Foreman.