When the official had departed, the President removed the spectacles from his eyes and handed them to Rob.
"What did you see?" asked the boy.
"The letters 'G' and 'W'."
"Then you may trust him fully," declared Rob, and explained the construction of the Character Marker to the interested and amazed statesman.
"And now I must go," he continued, "for my stay in your city will be a short one and I want to see all I can."
The President scrawled something on a sheet of paper and signed his name to it, afterward presenting it, with a courteous bow, to his visitor.
"This will enable you to go wherever you please, while in Paris," he said. "I regret my inability to reward you properly for the great service you have rendered my country; but you have my sincerest gratitude, and may command me in any way."
"Oh, that's all right," answered Rob. "I thought it was my duty to warn you, and if you look sharp you'll be able to break up this conspiracy. But I don't want any reward. Good day, sir."
He turned the indicator of his traveling machine and immediately rose into the air, followed by a startled exclamation from the President of France.
Moving leisurely over the city, he selected a deserted thoroughfare to alight in, from whence he wandered unobserved into the beautiful boulevards. These were now brilliantly lighted, and crowds of pleasure seekers thronged them everywhere. Rob experienced a decided sense of relief as he mixed with the gay populace and enjoyed the sights of the splendid city, for it enabled him to forget, for a time, the responsibilities thrust upon him by the possession of the Demon's marvelous electrical devices.
