"Throughout all the struggle I have had with my own soul no glimmer of light reached me until my daughter came to my rescue. And I think it was her woman's wit, supported by her own brave heart, which has saved me. She, in her great pity and love of humanity, started a fresh thought in the poor brain with which Providence endowed me. It surely was only a woman's mind could have conceived so simple a solution to my trouble. It was all done in one brief sentence. She said, 'The brain that can invent to destroy can invent to save.' And from that moment hope came to me."
He leant forward urgently. The veins at his temples stood out with the mental effort of the moment.
"Need I detail the result. I came to you as the only possible person to help on the work. You were selected after careful thought. I have warned you of the threat hanging over your country. Now I will show you the engines of destruction which I have been forced to perfect to complete the execution of that threat. But I have already shown you my submersible. You are now on board the constructed vessel, the development and adoption of which is the only antidote to the devilish plans of the country to which I belong, plans which are staggering in their possibilities. They are so simple, yet so vast and terrible when made against England. Listen: Germany has abandoned all other naval construction in favor of my new boat—the Submersible Dreadnought. Do you realize the type? It is a heavily armored vessel with the gun-power of the surface dreadnought, and its speed, but with all the attributes of the submarine. A fleet of nominally three hundred is being constructed. It will be larger by far. In a few years it will be possible to ring your country round with these lurking machines, each of which will be capable of engaging successfully any surface war vessel ever built, while its submarine attributes will render it practically immune from any combination of force opposed to it. Do you see? Never again will England, when at war with Germany, be able to transport her armies abroad. Never again will she be able to feed her millions of people through overseas channels. Henceforth she will be driven to peace under any conditions and her mastery of the seas will pass from her forever."
Ruxton stirred in his seat. He shifted his position. The man's words had sunk deeply.
"The submersible mercantile marine is certainly the obvious retort," he said reflectively. Then he added as an afterthought, "Temporarily."
"Yes. Temporarily."
Neither spoke again for some moments. Both were thinking ahead, much further on than the immediate future.
"And after the submersible dreadnought?" Ruxton's question was not addressed to the inventor, but it was answered by him.
"Who can tell? One of these two countries must go under."
"Yes."