"I endeavored then not to disturb him, and I remember trying to draw myself out of his way and feeling that something momentous was about to take place. Yet actually I believe it would have required a considerable commotion to have distracted his attention, for his ability to concentrate was one of the characteristics of his genius.

"I saw him place another gla.s.s on the table and I noticed then that it stood directly in front of a complicated mechanism. At first this gave out a low humming sound, but it soon rose to an unearthly whining shriek. I shrank from it involuntarily and a second later I was amazed at the sight of the gla.s.s, seemingly reduced to a thin vapor, being drawn into a funnel-like opening near the top of the device. I was too startled to speak and could only watch as Drayle started the contrivance again. Once more its noise cut through me with physical pain. I cried out. But my voice was overwhelmed by the terrific din of the mysterious machine.

"Then Drayle strode down the long room to another intricate ma.s.s of wire coils and plates and lamps. And I saw a dim glow appear in two of the bulbs and heard a noise like the crackling of paper. Drayle made some adjustments, and presently I observed a peculiar shimmering of the air above a horizontal metal grid. It reminded me of heat waves rising from a summer street, until I saw the vibrations were taking a definite pattern; and that the pattern was that of the gla.s.s I had seen dissolved into air. At first the image made me think of a picture formed by a series of horizontal lines close together but broken at various points in such fashion as to create the appearance of a line by the very continuity of the fractures. But as I watched, the plasma became substance. The air ceased to quiver and I was appalled to see Drayle pick up the tumbler and carry it to a scale on which he weighed it with infinite exactness. If he had approached me with it at that moment I would have fled in terror.

"Next, Drayle filled the goblet with some liquid which immediately afterward he measured in a beaker. The result seemed to please him, for he smiled happily. At the same instant he became aware of my presence. He looked surprised and then a trifle disconcerted. I could see that he was embarra.s.sed by the knowledge that I had witnessed so much, and after a second or two he asked my silence. I agreed at once, not only because he requested it but because I couldn't believe the evidence myself. He let me out then and locked the door.

"It was this recollection that made me credit the woman's story. But I was sick with dread, for in spite of my faith in Drayle's genius I feared he had gone mad.

"Mrs. Drayle had listened to Mrs. Farrel's account calmly enough, but I could see the fear in her eyes when she signaled a wish to speak to me alone. I followed her into an adjoining room, leaving Mrs. Farrel with the two policemen and the doctor, who was trying to quiet her.

"As soon as the door closed after us Mrs. Drayle seized my hands.

"'Tim,' she whispered, 'I'm horribly afraid that what the woman says is true. Chris has told me of some wonderful things he was planning to do, but I never expected he would experiment on human beings. Can they send him to prison?'

"Of course I said what I could to comfort her and tried to make my voice sound convincing. At the time the legal aspect of the matter did not worry me so much as the fear that the attack on Drayle might prove fatal. For even if it should develop that he was not dangerously hurt, I imagined that the interruption of the experiment at a critical moment might easily have ruined whatever slim chance there had been of success. For us the nerve-wracking part was that we could do nothing until the surgeon who was attending Drayle could tell us how badly he was injured.

"At last word came that the bullet had only grazed Drayle's head and stunned him, but that he might remain unconscious for some time. Mrs.

Drayle went in and sat at her husband's side, while I returned to the laboratory and found the police greatly bewildered as to whether they ought to arrest Drayle.

"They had discovered in a closet an outfit of men's clothing that Mrs.

Farrel identified as her husband's, and, although they saw no other trace of the missing man, they had a desire to lock up somebody as an evidence of their activity. It took considerable persuasion to prevail upon them to withhold their hands. There was no such difficulty about restraining them in the laboratory. They were afraid to touch any apparatus, and they gave the invention a ludicrously wide berth.

"I never knew exactly how long it was that I paced about the lower floor of Drayle's home before the doctor summoned me and announced that the patient wanted me, but that I must be careful not to excite him. I have often wondered how many physicians would have to abandon their profession if they were deprived of that phrase. 'You must not excite the patient.'

"Drayle was already excited when I entered. In fact, he was furious at the doctor's efforts to restrain him. But I realized that my fear for his reason was groundless. His remarks were lucid and forceful as he raged at the interference with his work. As soon as he saw me he appealed for a.s.sistance.

"'Make them let me alone. Tim,' he begged, as his wife and the doctor, partly by force and partly by persuasion, endeavored to hold him in bed. 'I must get back to the laboratory. That woman believes that I've killed her husband, and my a.s.sistant will think that we've failed.'

"I was about to argue with him when suddenly he managed to thrust the doctor aside and start toward the door. His seriousness impressed me so that I gave him a supporting arm and together we headed down the hall, with Mrs. Drayle and the doctor following anxiously in the rear.

The laboratory was deserted and locked when we arrived. The police evidently felt it was too uncanny an atmosphere for a prolonged wait.

Drayle opened the door, went directly to his machine, and examined it minutely.

"'Thank the Lord that woman hit only me!' he said, and sank into a chair. Then he asked for some brandy. Mrs. Drayle rushed off and reappeared in a minute with a decanter and gla.s.s. Drayle helped himself to a swallow that brought color to his cheeks and new strength to his limbs. Immediately after he turned again to the machine. I dragged up a chair, a.s.sisted him into it, and seated myself close by.

"I knew little enough about mechanics, but I was fascinated by the numerous gauges that faced me on the gleaming instrument board. There were dials with needlelike hands that registered various numbers; spots of color appeared in narrow slots close to a solar spectrum: a stream of graph-paper tape flowed slowly beneath a tracing-pen point and carried away a jiggly thin line of purple ink. In a moment Drayle was oblivious of everything but his records. I watched him copy the indicated figures, surround them with formulas, and solve mysterious problems with a slide-rule.

"His calculations covered a large sheet before he had finished. At last he underscored three intricate combinations of letters and figures and carried the answers to his private radio apparatus. This operated on a wave length far outside the range of all others and insured him against interference. With it he was able to speak at any time with his a.s.sistants in Washington or Boston or with both at once.

He threw the switch that sent his call into the air. An answer came instantly, and Drayle begin to talk to his distant lieutenants.

"'We've been interrupted, gentlemen,' he said, 'but I think we may continue now. We'll rea.s.semble in the Boston laboratory. Have you arranged the elements? The coefficients are....' And he gave a succession of decimals.

"A voice replied that all was ready. Drayle said 'Excellent,' went back to his invention and twisted a black k.n.o.b on the board before him.

"With this trifling movement all h.e.l.l seemed to crash about us. The ghastly cacophony that I had experienced in the same room some months previously was as nothing. These stupendous waves of sound pounded us until it seemed as if we must disintegrate beneath them. Wails and screams engulfed us. Mrs. Drayle dropped to her knees beside her husband. The doctor seized my arm and I saw the knuckles of his hand turn white with the pressure of his grip, yet I felt nothing but the awful vibrations that drummed like riveting machines upon and through my nerves and body. It was not an attack upon the ears alone; it crashed upon the heart, beat upon the chest so that breathing seemed impossible. My brain throbbed under the terrific pulsations. For a while I imagined the human system could not endure the ordeal and that all of us must be annihilated.

"Except for his slow turning of the dials Drayle was motionless before the machine. Below the bandage about his forehead I could see his features drawn with anxiety. He had wagered a human life to test his theory and I think the enormity of it had not struck him until that moment.

"What I knew and hoped enabled me to imagine what was taking place in the Boston laboratory. I seemed to see man's elementary dust and vapors whirled from great containers upward into a stratum of shimmering air and gradually a.s.sume the outlines of a human form that became first opaque, then solid, and then a sentient being. At the same instant I was conscious that the appalling pandemonium had ceased and that the voice of Drayle's Boston a.s.sistant was on the radio.

"'Congratulations, Chief! His rea.s.semblage is perfect. There's not a flaw anywhere.' "'Splendid,' Drayle answered. 'Bring him here by plane right away; his wife is worried about him.'

"Then Drayle turned to me.

"'You see,' he said, 'Jackson Gee was right. We have resolved man into his const.i.tuent elements, transmitted his key vibrations by radio, and rea.s.sembled him from a supply of identical elements at the other end.

And now, if you will a.s.sure that woman that her husband is safe, I will get some sleep. You will have the proof before you in less than three hours.'

"I can't vouch for the doctor's feelings, but as Drayle left us I was satisfied that everything was as it should be, and that I had just witnessed the greatest scientific achievement of all time. I did not foresee, nor did Drayle, the results of an error or deliberate disobedience on the part of one of his a.s.sistants.

"We waited, the doctor and I, for the arrival of the man who, we were convinced, had been transported some three hundred miles in a manner that defied belief. The evidence would come, Drayle had said, in a few hours. Long before they had elapsed we were starting at the sound of every pa.s.sing motor, for we knew that a plane must land some distance from the house and that the travelers would make the last mile or so by car.

"Mrs. Drayle endeavored to convince the imagined widow that her husband was safe and was returning speedily. Later she rejoined us, full of questions that we answered in a comforting blind faith. The time limit was drawing to a close when the sound of an automobile horn was quickly followed by a sharp knock on the laboratory door. At a sign from Mrs. Drayle one of the policemen opened it and we saw two men before us. One, a scholarly appearing, bespectacled youth, I recognized as Drayle's Boston a.s.sistant, Ward; the other, a rather burly individual, was a stranger to me. But there was no doubt he was the man we awaited so eagerly, for Mrs. Farrel screamed 'Harry!

Harry!' and sped across the room towards him.

"At first she ran her fingers rather timidly over his face, and then pinched his huge shoulders, as if to a.s.sure herself of his reality.

The sense of touch must have satisfied her, for abruptly she kissed him, flung her arms about him, clung to him, and crooned little endearments. The big man, in turn, patted her cheeks awkwardly and mumbled in a convincingly natural voice, ''Sall right, Mary, old kid!

There ain't nothin' to it. Yeah! Sure it's me!'

"Then I was conscious of Drayle's presence. A brown silk dressing gown fell shapelessly about his spare frame and smoke from his cigarette rose in a quivering blue-white stream. Ward spied him at the same moment and stepped forward with quick outstretched hands. I remember the flame of adoring zeal in the youngster's eyes as he tried to speak. At length he managed to stammer some congratulatory phrases while Drayle clapped him affectionately on the back.

"Then Drayle turned to Farrel to ask him how he enjoyed the trip.

Farrel grinned and said, 'Fine! It was like a dream, sir! First I'm in one place and then I'm in another and I don't know nothing about how I got there. But I could do with a drink, sir. I ain't used to them airyplanes much.'

"Drayle accepted the hint and suggested that we all celebrate. He gave instructions over a desk telephone and almost immediately a man entered with a small service wagon containing a wide a.s.sortment of liquors and gla.s.ses. When we had all been served, Ward asked somewhat hesitantly if he might propose a toast. 'To Dr. Drayle, the greatest scientist of all time!'

"We were of course, already somewhat drunk with excitement as we lifted our gla.s.ses. But Drayle would not have it.

"'Let me amend that,' he said. 'Let us drink to the future of science.'

"'Sure!' said Farrel, very promptly. I think he was somewhat uncertain about 'toast,' but he clung hopefully to the word 'drink.'

"We had raised our gla.s.ses again when Drayle, who was facing the door, dropped his. It struck the floor with a little crash and the liquor spattered my ankles. Drayle whispered 'Great G.o.d!' I saw in the doorway another Farrel. He was grimy, disheveled, his clothing was torn, and his expression ugly; but his ident.i.ty with 'Harry' was unescapable. For an instant I suspected Drayle of trickery, of perpetrating some fiendishly elaborate hoax. And then I heard Mrs.