That would keep you from worrying about grocery bills."
"But I wouldn't need groceries if I had the tablets," said Rob, laughing.
"True enough! But you could take life easily and read your newspaper in comfort, without being in any hurry to get down town to business. Twenty-five millions would bring you a cozy little income, if properly invested."
"I don't see why one should read newspapers when the Record of Events shows all that is going on in the world," objected Rob.
"True, true! But what do you say to the proposition?"
"I must decline, with thanks. These inventions are not for sale."
The gentleman sighed and resumed his magazine, in which he became much absorbed.
Rob put on the Character Marking Spectacles and looked at him. The letters "E," "W" and "C" were plainly visible upon the composed, respectable looking brow of his companion.
"Evil, wise and cruel," reflected Rob, as he restored the spectacles to his pocket. "How easily such a man could impose upon people. To look at him one would think that butter wouldn't melt in his mouth!"
He decided to part company with this chance acquaintance and, rising from his seat, strolled leisurely up the walk. A moment later, on looking back, he discovered that the old gentleman had disappeared.
He walked down State Street to the river and back again, amused by the activity displayed in this busy section of the city. But the time he had allowed himself in Chicago had now expired, so he began looking around for some high building from the roof of which he could depart unnoticed.
This was not at all difficult, and selecting one of many stores he ascended by an elevator to the top floor and from there mounted an iron stairway leading to the flat roof. As he climbed this stairway he found himself followed by a pleasant looking young man, who also seemed desirous of viewing the city from the roof.
Annoyed at the inopportune intrusion, Rob's first thought was to go back to the street and try another building; but, upon reflecting that the young man was not likely to remain long and he would soon be alone, he decided to wait. So he walked to the edge of the roof and appeared to be interested in the scenery spread out below him.
"Fine view from here, ain't it?" said the young man, coming up to him and placing his hand carelessly upon the boy's shoulder.
"It is, indeed," replied Rob, leaning over the edge to look into the street.
As he spoke he felt himself gently but firmly pushed from behind and, losing his balance, he plunged headforemost from the roof and whirled through the intervening space toward the sidewalk far below.
Terrified though he was by the sudden disaster, the boy had still wit enough remaining to reach out his right hand and move the indicator of the machine upon his left wrist to the zero mark. Immediately he paused in his fearful flight and presently came to a stop at a distance of less than fifteen feet from the flagstones which had threatened to crush out his life.
As he stared downward, trying to recover his self-possession, he saw the old gentleman he had met on the Lake Front standing just below and looking at him with a half frightened, half curious expression in his eyes.
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.