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[FLLILLLL LL] 1 inductances L¹ and 1² are preferably included in the primary circuits chiefly for the purpose of regulating the rate of the primary oscillations. In the drawing these primaries. p² and

626 Cancelled سجل systems e s'd and Es²d arranged and connected in the same manner and synchronized with the systems at the sending station, so as to respond each exclusively to one of the vibrations

J J J J -7circuits at the distant station, each responding to one of the transmitted vibrations, /affect the sensitive devices al and a² and cause the relays R1 and R² to be operated and contacts c1

E 3 ductors, or, if desired, bridges it by an adjustable condenser c3, thus altering the vibration of the system es3d3 at suitable intervals. and causing two distinct vibrations to be enitted in rapid

conductors, connected with their inner ends to elevated terminals Dl and D2 respectively, and with their outer ends to an earth plate E. These two coils, conductors or systems Dl s1l E and S2 E have

638 Syntonized. teeth, coming at periodically recurring intervals in very close proximity to or, as the case may te, in contact with conducting rods or brushes n n, cause the condensers to be

J J 1 T 1 1 to the slightest disturbing influence. Its return to the hormal sensitive state may be secured by momentarily interrupting the battery circuit after each operation, or otherwise. The

inductance of one of the primaries. It should be stated, furthermore, in regard to the apparatus illustrated in Fig. 2, that special and useful results are obtainable by connecting contacts and in

642 pub Spec angle of one hundred and twenty degrees relative to each other. Corresponding to each of these cases, the receiving station may be provided with two or three circuits, in an analogous

646 fie z Luned & il Carn Wilsor nov waves or impulses of a given kind or class, a receiving circuit controlled by the sensitive circuits and a device connected with the receiving circuit adapted to