"I don't know."
"How did you get word that you were to be rescued from Atlanta?"
"A message was smuggled in to me by O'Grady, a guard in our pay."
"What was that vitrilene helmet for?"
"To protect me from the effects of the black lamp."
"What is the black lamp?"
"I don't know exactly. Saranoff invented it. It gives a black light and it kills all other light except sunlight, and it paralyses the brain."
"Did you know that the model of the Breslau gun had been stolen?"
"Yes."
"What were you going to do after you were rescued from jail?"