At once Rob saw through the whole plot to kill him and thus secure possession of his electrical devices. The young man upon the roof who had attempted to push him to his death was a confederate of the innocent appearing old gentleman, it seemed, and the latter had calmly awaited his fall to the pavement to seize the coveted treasures from his dead body. It was an awful idea, and Rob was more frightened than he had ever been before in his life--or ever has been since.
But now the shouts of a vast concourse of amazed spectators reached the boy's ears. He remembered that he was suspended in mid-air over the crowded street of a great city, while thousands of wondering eyes were fixed upon him.
So he quickly set the indicator to the word "up," and mounted sky-ward until the watchers below could scarcely see him. They he fled away into the east, even yet shuddering with the horror of his recent escape from death and filled with disgust at the knowledge that there were people who held human life so lightly that they were willing to destroy it to further their own selfish ends.
