N. 1 began to fill. It was decided
to let her sink straight down, instead of descending by means of
the vertical rudders. In that way it was hoped to land her as
nearly as possible on the exact spot where the Pandora was
supposed to be.
"How deep will it be, Tom?" asked Ned, as he stood beside his
chum in the forward observation cabin and watched the needle of
the gauge move higher and higher.
"About six hundred feet, I judge, going by the character of the
sea bottom around here. Certainly not more than eight hundred I
should say." And Tom was right. At seven hundred and eighty-six
feet the gauge stopped moving, and a slight jar told all on board
that the submarine was again on the ocean floor.
"Now to look for the wreck!" exclaimed Tom. "And it will be a
real search this time. We know we are starting right."
"Are you going to put on diving suits and walk around looking
for her?" asked Ned.
"No, that would take too long," answered Tom. "We'll just
cruise about, beginning with small circles and gradually
enlarging them, spiral fashion.
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