“Ready? Here goes the current. You will scarcely feel it.”
Leighton pulled out a small lever. A faint humming sound was heard. The electric finger on the mirror in the machine became suddenly illuminated.
“Do you feel it?” asked Una.
“Yes; it’s rather nice. This hero business is all right, especially when you preside at the performance, Una.”
“Now for your game of twenty questions, Uncle Harold. Of course, you are going to let me into the secret?”
“How can I?” he retorted. “David has the secret.”
“I have it?” repeated the other, perplexed.
“Certainly. But this isn’t exactly a game. You’ll find it tedious, Una. Why not stay with Mrs. Quayle in the library until it’s over?”
“Nonsense! Of course I’ll stay here,” she replied firmly.
“What am I to do?” asked David. “Holding these handles is easy enough—but nothing happens.”