ou tell us logically what has
occurred," he said.
"Then I must, though I do not think you will comprehend or even
believe me. Briefly, it is this: yesterday morning I was working on
the final series of experiments with a new type of harmonic overtones
plus a new type of sinusoidal current which I had arranged with a
series of selenium cells. When I finally threw the switch--remember, I
was many weeks preparing the apparatus, and had just put the final
touches on early that morning--there was a sound such as never had
been heard before by human ears, an indescribable sound, terrifying
and mysterious. Also, there was a fierce, devouring verditer blue
light, and this came from the plates and studs you see, but so great
was its strength that it got out of control and leaped about the room
like a live thing. For some moments, while it increased in intensity
as I raised the power of the current by means of the switch I held in
my hand, I watched and listened in fascination. My instruments had
ceased to record, though they are the most delicate ever invented and
can handle almost anything which man can even surmise."
* * * * *
The perspiration was pouring from Lambert's face, as he recounted his
story. The detectives listened, comprehending but a little of the
meaning of the scientist's words.
"What has this to do with Miss Crawford?" asked Doherty impatiently.
Phillips held up his hand to silence the other sleuth. "Let him
finish," he ordered. "Go on, professor."
"The sensations which I was undergoing became unendurable," went on
Lambert, in a low, hoarse voice. "I was forced to cry out in pain and
confusion.
"Miss Crawford evidently heard my call, for a few moments later, just
as the terrific unknown force reached its apex, she dashed into the
laboratory, and stepped across the plate you see there.
"I was powerless. Though I shut off the current by a superhuman
effort, she--she was gone!"
Lambert put his face in his hands, a sob shook his broad shoulders.
"Gone?" repeated Phillips. "What do you mean, gone?"
"She disappeared, before my very eyes," said the professor shakily.
"Torn into nothingness by the fierce force of the current or sound.
Since then, I have been trying to reproduce the conditions of the
experiment, for I wish to bring her back. If I cannot do so, then I
want to join her, wherever she has gone. I love her, I know now that I
cannot possibly live without
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