is admirable’ scheme, is the placing of When this improvised cofferdam was completed, five oval center, and force the toothed plate in at the the bags in the ship to be lifted. If the cargo is in steam engines were set in motion to pump out the top. The top edge, B, is turned over; this edge the… … ber let. under the beams, all address J. L. Walton, of bearing equal strain, would be the most likely plan to could not be reduced. The reason is apparent; for, Sherbrooke, Canada. float the ship. These might be supplemented by air- as the water was pumped out, the exterior pressure Raising Sunken…
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