The design and construction of a practical wireless telegraph station (1910)
Spurck, Robert Michael, Wheatlake, Burton Cyrenius Job · leaf 27
reas were usedas aerials and their shape varied* The coherer was no longerconnected directly between the earth and the aerial but thejigger took its place and the coherer was connected to a sep-arate winding on the jigger. In reality the jigger is an aircored transformer, (See Figure 6) the primary… … E Pig. 6 ^The efriciency or the above aeeoribed apparatus is in-creased very mucJi by making it syntonic. If an oscillatory cir-cuit has a periodic or alternating electromotive force set up init and if tlie frequency of this electromotive force agrees withthe natural frequency of the circuit, then…
Telegraph stations · Telegraph, Wireless · Theses
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