eyes glancing at each of the others, ready for any emergency, though, indeed, my plans were somewhat vague as to what I should do if we were interrupted. For half an hour, Holmes worked with concentrated energy, laying down one tool, picking up another, handling each with the strength and delicacy of the trained mechanic. Finally I heard a click, the broad green door swung open, and inside I had a glimpse of a number of paper packets, each tied, sealed, and inscribed. Holmes picked one out, but it was hard to read by the flickering fire, and he drew out his little dark lantern, for it was too dangerous, with Milverton in the next room, to switch on the electric light. Suddenly I saw him halt, listen intently, and then in an instant he had swung the door of the safe to, picked up his coat, stuffed his tools into the pockets, and darted behind the window curtain, motioning me to do the same.
It was only when I had joined him there that I heard what had alarmed his quicker senses. There was a noise somewhere within the house. A door slammed in the distance. Then a confused, dull murmur broke itself into the measured thud of heavy footsteps rapidly approaching. They were in the passage outside the room. They paused at the door. The door opened. There was a sharp snick as the electric light was turned on. The door closed once more, and the pungent reek of a strong cigar was borne to our nostrils. Then the foot-steps continued backwards and forwards, backwards and forwards, within a few yards of us. Finally there was a creak from a chair, and the footsteps ceased. Then a key clicked in a lock, and I heard the rustle of papers.
So far I had not dared to look out, but now I gently parted the division of the curtains in front of me and peeped through. From the pressure of Holmes' shoulder against mine, I knew
