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FLI JUILICIULI same manner and synchronized with the systems at the sending station, so as to respond each exclusively to one of the two vibrations produced by the transmitting apparatus. The same

568 cr closing the circuit of the source S, electrical vibrations being sent out simultaneously or in rapid succession, as may be desired, at each closure of the circuit. The two receiving circuits at

570 system e s³ at suitable intervals and causing two dis-, tinct vibrations to be emitted in rapid succession by the sender. In Fig. 4 a similar result is produced in the system e sí iª by

JLILIU J J Rom 7 In every amendoient the exact grond or words to be stricken out or fuserted in the application must be specified and the precise point indicated where the amendments must be on sheets

574 64,522, 2. Further detailed explanation is asked. Eson of the claims is rejected upon the British petent to Vilson 30,846 of 1897, Telegraphy, Circuits and Systems, and upon the patent to Cardwell

B 578 a person possessed only of the more general knowledge and experience in these branches, I she. 11 describe the simplest plan of carrying it out, which is at present known to me. For a better

3 1 ( T ai i inde pendent primary circuits being this formed. densers Cl and c2 are of such capacity and the inductances L1 and 12 are so adjusted that each primary is in close resonance with its

580 Jer B a' Each of the receiving coils and s² is shinted by a local circuit containing, respectively, sensitive devices , batteries h 22, adjustable resistances rl 2² and sensitive relays R1 R2, all

al or relay R3, which in tum establishes a contact and brings into action a device a3 by means of a battery d included in a local circuit, as shown. But evidently, if through any extraneous

582 ai Cancelled Dr Subbsper, Jul 31 BI the levers 1¹ and 12 will close the contacts and at the same instant, and thus operate the relay R3, but will fail to produce this result when the order of