"In advance, I understand you to say?"
"Precisely."
"The proof is as conclusive for merely prophetic ability as for power over the phenomena."
"In formal logic; not in common sense."
Eldridge reflected a moment further, removing his glasses, with the edge of which he tapped methodically the palm of his left hand. Helen had sunk back into the depths of her armchair, and was watching with immobile countenance but vividly interested eyes the progress of the duel.
"Granting for the moment your major hypothesis," Eldridge stated at last, "I follow your other essential statements. The man is unbalanced because he chooses such a method of accomplishing a simple end."
"Quite so."
"His power is limited because it has been applied to but one manifestation of etheric vibration at a time; and each manifestation has had a defined duration."
Darrow bowed. "You are the only original think-tank," he quoted
Hallowell's earlier remark.
"You are most kind to place me in possession of these additional facts," said Eldridge, resuming his glasses, "for naturally my conclusions, based on incomplete premises, could hardly be considered more than tentative. The happy accident of an acquaintance with the existence of these wireless messages and this personal enmity gave you a manifest but artificial advantage in the construction of your hypothesis."