"I wonder whether I locked these windows?" muttered Jennings,
pausing in the hallway. "I guess I'd better make sure."
He had taken only a step toward the library again, when Dan
watchfully caught sight of him. It would never do to have Jennings
snooping around there now. Quick action was necessary. Dan knocked
over a costly Sevres vase.
"There--clumsy--see what you've done!" berated Jennings, starting
to pick up the pieces.
Dan had acted his part well and promptly. In the library,
Clutching Hand was busily engaged at that moment beside the secret
panel searching for the spring that released it. He ran his finger
along the woodwork, pausing here and there without succeeding.
"Confound it!" he muttered, searching feverishly.
. . . . . . . .
Kennedy, having made the arrangements with the telephone company
by which he had a clear wire from the Dodge house to his
laboratory, had rejoined me there and was putting on the finishing
touches to his installation of the vocaphone.
Every now and then he would switch it on, and we would listen in
as he demonstrated the wonderful little instrument to me. He had
heard the window cleaner and Jennings, but thought nothing of it
at the time.
Once, however, Craig paused and I saw him listening more intently
than usual.
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