Peeping round the frame of the window, through the dirty pane, he was able to distinguish nothing but a man’s form at the further end of the shop.  The lamp, hanging from the middle of the roof, was turned very low, and the bent attitude of the man, with his back three-parts towards the window, rendered it impossible to discern his features. He was covered with a long waterproof, and a storm cap was pulled low over his head. From his movements it was clear that he was trying one key after another.