"Name of Issus!" cried Nur An. "Who did this?"
"I," I replied, and then I told him what had happened in the laboratory as the last night waned.
He looked around hurriedly. "Cover it up quickly," he said. "The slaves must not know. They would destroy us. Let us get out of here quickly."
I drew the cloak of invisibility over the body of Phor Tak again. "I have work here before I leave," I said.
"What?" he demanded.
"Help me gather all of the disintegrating ray shells and rifles into one end of the room."
"What are you going to do?" he demanded.
"I am going to save a world, Nur An," I said.
Then he fell to and helped me and when they were all collected in a pile at the far end of the laboratory, I selected a single shell and returning to the rifle mounted upon the bench I inserted it in the chamber, closed the block and turned the muzzle of the weapon upon that frightful aggregation of death and disaster.
As I pressed the button all that remained in Jhama of Phor Tak's dangerous invention disappeared in thin air, with the exception of the single rifle, for which there remained no ammunition. With it had gone his model of The Flying Death and with him the secret had been lost.