Signalling through space without wires : being a description of the work of Hertz & his successors . (Fig. 10 of Specification 11,575/97).—Interchangeable Self-inductionCoils for signalling to different stations. accumulate impulses, and hence would not respond, unless ofcourse it were so much too near the radiator that the veryfirst swing stimulated it sufficiently to disturb the coherer;in which case, again, there is no room for tuning. The twopoints to attend to for syntonic discrimination are : (a) that. Fig. 27 (Fig. 3 of Specification 11,575/97).—Diagrammatic representationof Synt
Signalling through space without wires : being a description of the work of Hertz & his successors . (Fig. 10 of Specification 11,575/97).—Interchangeable Self-inductionCoils for signalling to different stations. accumulate impulses, and hence would not respond, unless ofcourse it were so much too near the radiator that the veryfirst swing stimulated it sufficiently to disturb the coherer;in which case, again, there is no room for tuning. The twopoints to attend to for syntonic discrimination are : (a) that. Fig. 27 (Fig. 3 of Specification 11,575/97).—Diagrammatic representationof Syntonic Radiator and Receiver. The middle spark gap h2 h3 is un-necessary, though sometimes helpful. The main charging is done byimpulsive rush at the outside knobs. the receiver shall not be so near the emitter as to feel itsimpulses too easily, , without accumulation; (b) that theproperly-tuned receiver shall be so arranged that it can workup and accumulate the impulses of the radiator, and beforeattaining its maximum swing can overflow into the cohererassociated with it and thus give the signal. 54 SIGNALLING WITHOUT WIRES. The general appearance of a pair of signalling stations onthis plan is shown in Fig. 24, where the huts contain thesending and receiving instruments. The self-induction coiljoining the two capacity-areas is better depicted in , which also shows one mode of joining up the cohererto a syntonic receiver. (The galvanometer and shunt are,of course, merely typical of any kind of te
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Keywords: ., bookcentury1900, bookdecade1900, bookidsi, booksubjectelectricity
