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322   Art of Travel.


To Raise and Move a Heavy Body,-On Land.-Lever up its ends alternately, and build underneath them when they are lifted up. After a sufficient height has been gained, build a sloping causeway down to the place to which the mass has to be moved, and along which it may be dragged, with the assistance of rollers and grease. If the mass be too awkwardly shaped to admit of this, burrow below it ; pass poles underneath it, and raise the ends of the poles alternately. Mr. Williams, the well-known missionary of the South Sea Islands, relates how his schooner of from seventy to eighty tons had been driven by a violent hurricane and rising of the sea, on one of the islands near which she was anchored, and was lodged several hundred yards inland ; and thus describes how he got her back:-" The method by which we contrived to raise the vessel was exceedingly simple, and by it we were enabled to accomplish the task with great ease. Long levers were passed under her keel, with the fulcrum so fixed as to give them an elevation of about forty-five degrees. The ends of these were then fastened together with several cross-beams, upon which a quantity of stones were placed; the weight of which gradually elevated one end of the vessel, until the levers reached the ground. Propping up the bow thus raised, we shifted our levers to the stern, which was in like manner elevated ; and, by repeating this process three or four times, we lifted her in one day entirely out of the hole (which she had worked for herself, and which was about four feet deep). The bog that lay between her and the sea was then filled up with stones, logs of wood were laid across it, rollers were placed under the vessel, the chain cable passed round her ; and, by the united strength of about 2000 people, she was compelled to take a short voyage upon the land, before she floated in her pride on the sea."

In some cases, the body of a cart may be taken down, and deep ruts having been dug on each side of the mass, the vehicle can be backed, till the axletree comes across it; then, after lashing and making fast, the sand can be shovelled from below the mass, which will hang suspended from the axletree,