Assertion: tower's use | /r/SimilarTo | pump
Facets:
value: in its action
type: TEMPORAL
Source sentences:
text: (using) the Earth itself as the medium for conducting the currents, thus dispensing with wires and all other artificial conductors ... a machine which, to explain its operation in plain language, resembled a pump in its action, drawing electricity from the Earth and driving it back into the same at an enormous rate, thus creating ripples or disturbances which, spreading through the Earth as through a wire, could be detected at great distances by carefully attuned receiving circuits.