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TOILERS UNDER THE SEA
By ROBERT G. SKERRETT
THE deepest any man ever has generally that under-water workers could
flescended into the sea and go safely to much more than half such a
survived is 306 feet. This submergence, and the achievement was
was not done within the shel- due very largely to innovations in the
ter of a sturdy submarine of shape of apparatus perfected by the exsteel,
or experimentally, but in the waters perts of our naval service. Up to a short
of the Pacific outside of Honolulu harbor while back, as the history of the art goes,
in helping to salve the submarine F-4 air was supplied to commercial divers by
which sank there two years ago. means of hand-operated pumps, and
Up to that time, it was not believed strange as it may seem, it was less than
FLOATING THE WASMNGTON1AN
Several pumping tue.s and mans lines of hose will he used to fill all the sound compartments with air. This will cause
the vessel to come to the surface on her side.
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