Page:Britain's Deadly Peril.djvu/109

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mirror, or glazed picture, to act as a reflector in the direction of London. The signals were, no doubt, made by working the electric-light switch.

The following night saw us out again, for already reports received had established a line of signals from a spot on the Kent coast to London and farther north, other watchers being set in order to compare notes with us. Again we watched the beacon-light on the mysterious house. We saw those mysterious letters "S. M."—evidently of significance—winked out in Morse, and together we watched the answering signals. All the evening the light remained full on until at 1.30 a.m. we once more watched "S. M." being sent, while soon after 2 a.m. the light went out.

In the fourteen exciting days and nights which followed, I motored many hundreds of miles over Surrey, Sussex, and Kent, instituting inquiries and making a number of amazing discoveries, not the least astounding of which was that, only one hour prior to the reception of that message on the first evening of our vigil—"H. 5"—five German aeroplanes had actually set out from the Belgian coast towards England! That secret information was being sent from the Kent coast to London was now proved, not only at one point, but at several, where I have since waited and watched, and, showing signals in the same code, have been at once answered and repeated. And every night, until the hour of writing, this same signalling from the coast to London is in progress, and has been watched by responsible officers of His Majesty's Service.

After the first nights of vigilance, I had satisfied myself that messages in code were being sent, so I reported—as a matter of urgency—to the Intelligence Department of the War Office—that