a suspicion of a positive current brings us gently to the surface, and, when we have cooled, we unscrew the rear port-hole and crawl out to explore a new world."

I had mentally made the trip, and was not only intensely interested, but infinitely pleased. I was lost for some time with my imagination on the new sphere, but presently my mind returned to the practical side of the question, and I inquired,—

"Are you quite sure that ten thousand dollars will be sufficient to build and fully equip the projectile?"

"Yes, quite certain," he answered with decision. "It will be ample for that and for the expenses of forming a corporation to own my patents and exploit the invention. It is easy to see the projectile will be cheap of construction. No machinery is necessary; no strong building to withstand enormous shocks or anything of that kind. The principal expenditures will be for stores of food and for scientific and astronomical instruments. Of course, I wish to show you my working model and my plans for the practical projectile, and to explain to you many further details."

It was growing dark. I arose, turned on the electric light, and rang my bell. The office boy entered.

"Teddy, tell all the boys they may go, except Flynn. Ask him to wait, please."

I was quite used to making ten thousand dollar bargains in a few seconds of time and without the scratch of a pen. I had risked more money than that on the fact that Slater looked worried and Bawker was very cross when at his office, and it had won immensely. But here, what a prospect, what a far-reaching, all-encircling prospect it was! No time was to be lost; besides, there was pleasure to me in driving a good bargain and driving it quickly.

"And if I give you the ten thousand dollars, what do I get in return?" I asked, mentally placing my part at fifty-five per cent. of the shares at the lowest, so that I might control the company.

"You may organize the corporation yourself. The projectile must bear my name, and I must have the credit for all discoveries and inventions. Then you may give me such a part of the shares of the company as you think right," he replied.

On hearing this, I mentally advanced my portion to seventy-five per cent. Then I said,—

"When the projectile is built and proves successful, who is to manage the affairs of the company? Who is to finance it and raise further funds for exploiting its business?"

"I have no capacity for business," he declared. "I have no ambition to be a Pullman or an Edison. I would rather see myself a Franklin or a Fulton. You shall manage all the business affairs."

"Then I will undertake the whole matter, and give you my cheque for ten thousand dollars to-night, provided you allow me—ninety-five per cent. of the company's shares!" I said, simulating a burst of generosity.

Doctor Anderwelt ploughed his hair and harrowed his beard. He knew this was giving too much, but to have the projectile built, to sail away, to make all those grand new discoveries, to write books, and have future generations pronounce his name reverently along with Kepler and Newton! I did not believe he would have the courage to say no. While he meditated, my bell summoned Flynn.

"Please draw a cheque for ten thousand dollars to the order of Hermann Anderwelt," I said, watching the doctor as I spoke. There was indecision in his face.

"Suppose I allow you, say, ninety per cent.?" he said at last.

I was signing the cheque Flynn had brought me. "Done!" I cried, handing it over. He scanned it carefully, and after a long time said,—

"Mars is nearest to the Earth on the third day of next August. Fortunately Chicago is a good place to do things in a hurry. The projectile must be ready to start early in June, but its construction and its first trip must be kept a profound secret."

The doctor must have been hungry since noon. He began munching a chicken sandwich. The cold planked whitefish tasted quite as good as smoked herrings, perhaps, and strawberry short-cake in March was a luxury which he evidently appreciated.

CHAPTER III

Structure of the Projectile

A few weeks later I received a letter from Dr. Anderwelt asking me to call at his rooms on the West Side that afternoon, as soon as the market had closed. He desired to exhibit and explain the drawings of the new projectile and talk over the preparations for the trip. I had been so engrossed with every sort of worry that I had thought but little of the doctor and his grand schemes of late. But now I was anxious to know what progress he was making. Sometimes I felt that I had been foolish to put any money into the thing; but the doctor's idea of reversing gravity was so simple and so elemental, that I marvelled it had never occurred to scientists before.

After the market I hunted up the street and number the doctor had given me, and found a little, dingy boarding-house, lost among machine shops and implement factories, near the west side of the river. In a third-floor back room, with one small window looking out on dark, sooty buildings and belching chimneys, Dr. Anderwelt was thinking out all the incidental problems, and preparing for all the emergencies that might arise on a trip of some forty million miles, through unknown space, to a strange planet whose composition was unguessed.

The walls of the room were soiled and bare, except for blue-prints of drawings from which the projectile was being built in neighbouring foundries. There were but two plain, hard chairs in the room. The doctor sat on one with a pillow doubled up under him for a cushion. He was bending over a draughting board, which was propped up on the bed during the day and went under it at night.

Three flights of steep stairs had taken my breath, and I dropped into the other hard chair and exclaimed,—

"I say, Doctor, why didn't you take an office in the twelfth heaven of a modern office building over in town, where they have elevators? I have really forgotten how to climb stairs. Didn't I furnish you money enough to do this thing right?"

"Don't you think this is a good place?" he inquired in some surprise. "The rent is cheap, and it is convenient to the work. But speaking of elevators, we are going to revolutionize all that. No more hoisting or hydraulic lifts after we apply our ideas to the lifting of these elevator cages!"

"I am afraid this idea of negative gravity is apt to revolutionize everything, and generally upset the entire universe," I replied. "I have been wondering what would happen if you were to apply a negative current to this Earth of ours and send it whirling out of its orbit, an ostracised Pariah, repelled by all the celestial bodies!"

"Not the slightest danger of any such calamity," he answered. "The reversal of polarity can only be accomplished with comparatively small and insignificant masses. It would be impossible to impart a negative condition even to the smallest satellite. Our projectile will weigh but a few thousand pounds, compared to the millions of tons of the smallest celestial bodies. The Creator has looked out for the stability of the universe, never fear for that! And He has also given us a few hints of negative currents and repellant gravities in the form of meteorites and falling stars, which cannot be so well explained by any other theory. But what I want to talk to you about is the vital importance of providing against every possible emergency before starting on this trip through space. A trifling oversight in the preparations may mean death in the end, and things we put no value on here we might be