His coat was unbuttoned; he shot the bolt of the door (there was no other opening), and, squatting before the scrap-heap, began to pack his pockets with pieces of iron. He packed them carefully, as if the rusty nuts, the broken bolts, the links of cargo chain, had been so much gold he had that one chance to carry away. He packed his side-pockets till they bulged, the breast pocket, the pockets inside. He turned over the pieces. Some he rejected. A small mist of powdered rust began to rise about his busy hands. Mr. Massy knew something of the scientific basis of his clever trick. If you want to deflect the magnetic needle of a ship’s compass, soft iron is the best; likewise many small pieces in the pockets of a jacket would have more effect than a few large ones, because in that way you obt
