And back she came, as did Kendrick, from the empty chair beside her.
His face was grave. The success of the demonstration, which had proved their story to practical-minded Henderson Blake, had proved to him something altogether more significant. The disc, as he had surmised, had rushed eastward immediately on learning of their escape, and was now probably hovering right over New York.
"Marvelous—marvelous!" declared Blake. "But that heat ray, Professor. That sounds bad. You are convinced it is as powerful as they make out!"
"Positively! That blast they let go in the desert would have utterly destroyed New York."
"Hm! Yes, no doubt you're right. I fully realize how the fearful menace of this thing. Do you think the military authorities will be able to cope with it?"
"I don't know. Perhaps, if they are prompt enough."
"And is there no other way—no scientific way?"
endrick grew thoughtful.