tus, a very strong electric lamp with accumulators and powerful reflectors, which would show for fifteen miles or more, I got into the car with my companions—who were eager to assist—and, having consulted ordnance-maps and compass, we went to a spot high-up in an exposed position, where I anticipated the answering light from the mansion might be seen.
We found ourselves in a private park, upon a spot which, by day, commands an immense stretch of country, and from which it is said that upon a clear day the Sussex coast can be seen. Here we erected our signalling-apparatus and waited in patience. The night proved bitterly cold, and as the hours crept slowly by, the sleet began to cut our faces. Yet all our eyes were fixed upon that mysterious house which had previously signalled.
For hours we waited in vain until, of a sudden, quite unexpectedly from the direction of London, we saw another intense white light shining from out the darkness. For a full half-hour it remained there, a beacon like the other. Then suddenly it began winking, and this was the code-message it sent:
Turning my signal-lamp in its direction, I repeated the first portion of the mysterious message, and then, pretending not to understand, asked for a repetition. At once this was given, and, with my companions, I received it perfectly clearly!
Sorely tempted as I was to signal further, I