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Si.o-nalino- for Help with Flashlig'ht Buoys
��AIR-HOLES
���DISTRESS SIGNALS
��BUOY
���AIR-HOLES
���FLEXIBLE HOSE
���CABLE- ROPE
g^TORAGE
���The crew get into the compartments and release the buoys. Until their distress signals are answered, they receive a supply of fresh air through the hose attached to the buoys. On the arrival of a salvaging ship, the submarine is hauled up by means of the cables and the men are freed
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