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with holes in them; to this he added a reed for the pipe; he then fixed it by means of a long cord and a post, to the side of his fire, and Jack, with his hand or his foot, blew the fire, so that the iron was speedily red hot, and quite malleable. I then showed them how to twist the iron into a screw,—rather clumsy, but which would answer the purpose tolcrably well. At one end they formed a ring, in which we placed a piece of wood transversely, to enable them to turn the screw. We then made a trial of it. We placed a tree on two props, and Fritz and I managed the auger so well, that we had our tree pierced through in a very little time, working first at one end and then at the other. Jack, in the meantime, collected the shavings we made, which he deposited in the kitchen for his mother's use, to kindle the fire. Ernest, meanwhile, was walking about, making observations, and giving his advice to his brothers on the architecture of their pavilions, till, seeing they were going to bore another tree, he retired into the garden to see the embankment. He returned delighted with the improvements, and much disposed to take some employment. He wanted to assist in boring the tree, but we could not all work at it. I undertook this labour myself, and sent him to blow the bellows, while his brothers laboured at the forge, the work not being too hard for his lame hand. My young smiths were engaged in flattening the iron to make joints to unite their pipes; they succeeded very well, and then began to dig the ground to lay them. Ernest, knowing something of geometry and land-surveying, was able to give them some useful hints, which enabled them to