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 sometimes a few bad words, sotto voce, of course—we gradually got the machine into readiness, and began the engine-test.

So powerful were those twin engines, with their wide throttle range, that their roar could be heard miles away, for I had not been able to silence them. Nevertheless, nowadays, country people are happily so used to hearing the rhythmic throb of aeroplane engines, that they scarcely take notice of it. Mine, however, were unusually fierce, especially when both were working, one for the propeller, and the other either for the searchlight or the directive sparking apparatus.

They had both been run 'upon the bench' for many hours, of course, and passed as perfect by the makers. Yet a pilot never likes to trust himself upon something he has not tested with his own hands.

Each one of us had his or her own work, and each one of us worked with a true spirit of patriotism. I had argued that if the Anti-Aircraft Service were unable to bring down Zeppelins, then I, as a private individual and a pilot who had had some experience in the air, was ready to risk my own life in the attempt. And in this Teddy was whole-heartedly with me.

Naturally, Roseye often grew apprehensive. It was because of that she made me repeat many times the promise I had given her—that she should make the first flight with me in the newly-constructed machine.

Each day Teddy and I, aided by young Theed, worked testing, tightening strainers, seeing to pins and