1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
DFLMGE, HLMJ are in resonance that a considerable current will Bow round the latter. Hence when we get a maximum effect in the detector we know that the waves we are dealing with are those corresponding to the free periods of the system HLMJ, so that if we know the free periods of this circuit we know the wave length of the electric waves under consideration. Thus if the ends of the wires H, J are free and have no capacity, the current along them must vanish at H and J, which must be in opposite electric condition.…
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- Vol. 9, pp. 207-207