| http://www.w3.org/ns/prov#value | - In a system of space telegraphy, an elevated receiving-00nductor serially connected with one winding of a transformer. and a resonant circuit including the other winding of said transformer, said windings being so spatially interrelated as to reduce the complex of interrelated circuits to the equivalent of a system of circuits each having a single degree of freedom. 3.
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