Arthur B. Reeve Crime & Mystery Boxed Set. Arthur B. Reeve
just outside the locker-room, yesterday, I discovered the remains of a thermos bottle and of a metal cup like this which I have dropped on the floor. I have examined the cup, or rather the pieces.
"These two murders were committed by one of the least known agencies—freezing, by liquid air."
I could hear a gasp from the auditors and I knew that someone's heart must be icy at the discovery of the portentous secret.
"I have some liquid air in this Dewar flask," continued Kennedy. "That is what liquid air is usually kept in. But it may be kept in an ordinary thermos bottle quite well, also.
"If I should drop just a minute bit on my hand, it would probably boil away without hurting me, for it evaporates so quickly that it forms a layer or film of air which prevents contact of the terribly cold liquid air and the skin. I might thrust my finger in it for a few seconds and it would not hurt me. But if I kept it there my finger would become brittle and actually break off, so terrible is the cold of one hundred and ninety degrees below zero, Centigrade. It produces an instantaneous frost bite, numbing so quickly that it often is hardly felt. Placed on the surface of flesh this way, it changes it to a pearly-white, solid surface. The thawing, however, is intensely painful, giving first a burning sensation, then a stinging, flushed feeling, exactly as Irving Evans described what he felt. The part affected swells and a crust forms which it takes weeks to heal, supposing the part affected is small.
"Someone, in that locker-room," continued Craig, "placed a piece of cotton soaked in liquid air on the stomach of the unconscious boy. Instantly, before anyone noticed it, it froze through to the solar plexus. Ultimately that was bound to kill him. And who would bear the blame? Why, Fraser Ferris, of course. The accident in the bout afforded an opportunity to use the stuff which the criminal in his wildest dreams could not have bettered."
"How about Benson, the steward?" spoke up a voice.
We turned. It was the Coroner, loath even yet to give up the official theory.
"That was a pure accident," returned Kennedy. "The club, as you know, is a temperance club. But the members, or at least some of them, keep drinks in their lockers. The steward, Benson, knew this. It has been shown that Benson had been in town that evening, had imbibed considerably.
"He had observed one of the members of the club take from his locker something which he thought was to revive young Evans. What more natural, then, than for him to visit that locker when he returned from town, open it?
"He found a thermos bottle. Instead of the regular cork, it had a light cotton stopper. In his muddled state, the steward did not stop to think—even if he had, he would have seen no reason for carefully corking something that was not designed to keep in a thermos bottle.
"But instead of whiskey, the bottle contained what had not yet evaporated of the liquid air. You may not know it, but liquid air can be easily preserved in open vessels with a stopper which allows the passage of the evaporated air. However paradoxical it may seem, it cannot be kept in closed vessels, for enormous pressures are at once brought into play.
"Benson opened the bottle and poured out some of the contents in the metal cup-cap of the bottle. He raised it to his lips—swallowed it—or that much of it that did not paralyze him. It expanded, boiled, exploded—producing the ghastly wound by almost literally blowing him up.
"The owner of the liquid air, who must have had it there waiting a chance to use it, was probably waiting up in the club rooms now, for a chance to get rid of it as evidence. He must have heard a noise down in the locker-room. What if he had been observed and someone were down there investigating?
"He hurried down there. To his horror, in the darkness, he found Benson, already dead, the locker open, the thermos bottle broken and the cup smashed.
"It was a terrible clew. He must get that body away from the locker-room. He could throw the bottle out; no one could suspect anything when the air had evaporated, as it soon would, now. But the body—that was different. The method he employed in getting rid of the body, I think you all must already know."
I had been watching Wyndham's face keenly. As Craig proceeded, I fancied that I saw in it a look of startled surprise.
"Was it one of Anita Allison's many admirers who did this thing?" Craig asked suddenly.
I turned from Wyndham to Craig, wondering. What did he mean? Everyone had accepted that theory of the case so far. No one had questioned it. But, with his words, it suddenly dawned on me that it was by no means the only theory.
Before Craig could go on, there came a startled cry from one of the ladies.
"Oh—he did it—he did it!"
Anita Allison had fainted.
Dean Allison was at his sister's side in a moment.
"Here—let me get her out into the fresh air," he cried.
Wyndham had started up at the words and the two men were facing each other over the girl who had already discovered the secret, but had kept it locked in her breast.
"Walter—lock that door," rang out Craig's voice mercilessly.
I backed up, my whole weight against it, and turned the key.
"I know the gossip of Wall Street now," shot out Kennedy hurriedly, facing the crowd who were all on their feet. "Today I have visited a number of speculative young gentlemen of Briar Lake, including Mr. Wyndham.
"The truth is that Miss Allison's fortune was gone—dissipated in an unsuccessful bear raid on the market in which others have shared—and lost.
"If she had married, it meant an accounting and surrendering of her full control of her fortune. You have done this dastardly crime, Dean Allison, to keep your sister in ignorance of the loss and to save your own miserable reputation!"
Chapter XXV
The Demon Engine
"Perpetual motion sounds foolish, I'll admit. But, Professor Kennedy, this Creighton self-acting motor does things I can't explain."
Craig looked perplexed as he gazed from Adele Laidlaw, his young and very pretty client, to me. We had heard a great deal about the young lady, one of the wealthiest heiresses of the country. She paused a moment and looked at us, evidently thinking of the many schemes which people had devised to get her money away from her.
"Really," she went on, "I haven't a friend to whom I can go, except Mr. Tresham—no one on whom I can rely for advice in a case of this kind."
Several times, I recollected, there had been rumors that she was engaged to Leslie Tresham, who had been the lawyer for her father before his death. The rumors had always been denied, however, though I am sure it was not Tresham's fault.
"You see," she continued, as Craig still said nothing, "father was of a mechanical turn of mind; in fact so was the whole family, and I suppose I have inherited it. I'm just crazy over cars and boats. Anyhow, I was introduced to Mr. Creighton and he seemed so earnest and his work was so interesting that I bought a little of his stock. Now he needs more money to perfect his motor. Perhaps the thing is all right, but,—well, what do I really know about it?"
One could not help feeling a great deal of sympathy for her. She was not the type of woman who would be easily misled, yet I could imagine that she must constantly be on her guard against schemers of every sort lurking to take advantage of every whim.
"H'm," mused Kennedy, with a smile, eyeing our visitor keenly. "I've been consulted on about everything from pickpockets to the fountain of youth. Now it's perpetual motion. I must say, Miss Laidlaw, your case has a decided scientific interest for me, anyhow, as well as personal. I'd like to look at this wonderful machine, if you can arrange it."
"I can do that," she answered confidently with a glance of thanks to Kennedy for his help. "May I use your telephone?"
She