Saving Valuables in a Shipwreck

���What would happen if a ship equipped with the floating safes should founder in a heavy sea? Water would enter the shaft which holds the safes and would wash them overboard, where they would float until picked up by a passing ship. In this way the money, jewelry and other valuables of the passengers as well as the registered mail would be saved. At the right is a cross-sectional view of the ship showing the floating safes in position, one for each deck

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