"And when will that be?"
"To-morrow, if you are willing; all our plans are laid."
"Why to-morrow?" asked the others simultaneously.
"Because delay is dangerous. There is always the danger that this secret, so jealously guarded, and hidden away in the depth of the Black Forest, may be discovered. You know that Germany, under the Peace terms, is forbidden for the present to manufacture aircraft."
"Yes, yes; we know it only too well."
"Well, even now," continued von Spitzer, "the British Air Police have got wind of the thing, and their agents are in a dozen different parts of Germany trying to fathom the mystery of this phantom aeroplane, but so far they have not succeeded. All the same, it is time for us to get away, and that is why I have confided my plans to you to-day. Do you wish to withdraw?" and there was just a faint suspicion of a sneer in the tone of the speaker's voice, as he said this.
"Withdraw? Ach Himmel, no, a thousand times no! I am ready to start to-day," flashed back the ruffled Carl as he replied.
"Gut!" grunted von Spitzer. "Then you shall see this wonderful thing to-night at sunset; I dare not take you there before, and to-morrow, ach! to-morrow, this great adventure will begin."
CHAPTER II
THE WONDER 'PLANE