148 TWO WAYS TO GO TO SEA: and the chain reached up overhead. He Jooked up, and saw that it was fastened to a curious-looking machine, so that it could be hoisted up a little, and then swung over to the anvil. Presently, the men hove away upon the machine. The iron came slowly out of the fire, glowing anc sparkling, so that you could hardly look at it. They swung it carefully over to the anvil, and then pulled a small pole hanging by the side of it, which set the trip-hammer a-going. It made a tremendous noise, and the sparks flew in every direction, while two men moved the iron back and forth, so as to make the trip-hammer strike it in the right places. John thought he should have a great deal to learn, before he could become a first-rate blacksmith. “For some time, John had to run of errands around town, and wait upon the workmen in the shop. Presently, they put him at a great vice, and a man taught him to file.” “O, 1 can file,” said Rollo. ‘1 have.” “Yes, you can file a little, L know ; but it is very difficult to learn to file square and true. John paid very close attention to all