man- ing steel wire. The entire length, including a wave- It now remains to be shown exactly how electric crest and a wave-valley, comprises a wave-length. The waves of definite length are produced at the transmit- length of the freely-vibrating wire must be one-quarter ting station. Wireless… … of the type used in most systems of wire- to the length of the wire employed and to the size of the condenser. By employ- less telegraphy. Evidently the coherer should be connected with that portion ing coils, C D, of various forms the length RECEIVER, AND MORSE TRANSMITTER. of the wire at which…
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