tom swift & his submarine boat(汤姆·史威夫特和他的潜水艇)-第15章
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every other place without avail。
〃I'll help；〃 said Mr。 Jackson in a whisper。 He； too； was hardly able to
move。
More and more devoid of oxygen grew the air。 It gave Tom a sense as
if his head was filled； and ready to burst with every breath he drew。 Still he
struggled to loosen the nuts。 There were but four more now； and he took
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TOM SWIFT AND HIS SUBMARINE BOAT （or Under the Ocean for Sunken Treasure）
off three while Mr。 Jackson removed one。 The young inventor lifted off the
valve cover； though it felt like a ton weight to him。 He gave a glance
inside。
〃Here's the trouble！〃 he murmured。 〃The valve's clogged。 No wonder it
wouldn't work。 The pumps couldn't force the water out。〃
It was the work of only a minute to adjust the valve。 Then Tom and the
engineer managed to get the cover back on。
How they inserted the bolts and screwed the nuts in place they never
could remember clearly afterward； but they managed it somehow； with
shaking； trembling hands and eyes that grew more and more dim。
〃Now start the pumps！〃 cried Tom faintly。 〃The tanks will be emptied；
and we can get to the surface。〃
Mr。 Sharp was still unconscious； nor was Mr。 Swift able to help。 He
lay with his eyes closed。 Garret Jackson； however； managed to crawl to the
engine…room； and soon the clank of machinery told Tom that the pumps
were in motion。 The lad staggered to the pilot house and threw the levers
over。 An instant later there was the hissing of water as it rushed from the
ballast tanks。 The submarine shivered； as though disliking to leave the
bottom of the sea； and then slowly rose。 As the pumps worked more
rapidly； and the sea was sent from the tank in great volumes； the boat
fairly shot to the surface。 Tom was ready to open the conning tower and let
in fresh air as soon as the top was above the surface。
With a bound the Advance reached the top。 Tom frantically worked the
worm gear that opened the tower。 In rushed the fresh； life…giving air； and
the treasure…hunters filled their lungs with it。
And it was only just in time； for Mr。 Sharp was almost gone。 He
quickly revived； as did the others； when they could breathe as much as
they wished of the glorious oxygen。
〃That was a close call；〃 commented Mr。 Swift。 〃We'll not go below
again until I have provided for all emergencies。 I should have seen to the
air tanks and the expanding one before going below。 We'll sail home on
the surface now。〃
The submarine was put about and headed for her dock。 On the way she
passed a small steamer； and the passengers looked down in wonder at the
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TOM SWIFT AND HIS SUBMARINE BOAT （or Under the Ocean for Sunken Treasure）
strange craft。
When the Advance reached the secluded creek where she had been
launched； her passengers had fully recovered from their terrible experience；
though the nerves of Mr。 Swift and Mr。 Damon were not at ease for some
days thereafter。
〃I should never have made a submerged test without making sure that
we had a reserve supply of air；〃 remarked the aged inventor。 〃I will not be
caught that way again。 But I can't understand how the pump valve got out
of order。〃
〃Maybe some one tampered with it；〃 suggested Mr。 Damon。 〃Could
Andy Foger； any of the Happy Harry gang； or the rival gold…seekers have
done it？〃
〃I hardly think so；〃 answered Tom。 〃The place has been too carefully
guarded since Berg and Andy once sneaked in。 I think it was just an
accident； but I have thought of a plan whereby such accidents can be
avoided in the future。 It needs a simple device。〃
〃Better patent it；〃 suggested Mr。 Sharp with a smile。
〃Maybe I will；〃 replied the young inventor。 〃But not now。 We haven't
time； if we intend to get fitted out for our trip。〃
〃No； I should say the sooner we started the better；〃 remarked Captain
Weston。 〃That is； if you don't mind me speaking about it；〃 he added gently；
and the others smiled； for his diffident comments were only a matter of
habit
The first act of the adventurers； after tying the submarine at the dock；
was to proceed with the loading of the food and supplies。 Tom and Mr。
Damon looked to this； while Mr。 Swift and Mr。 Sharp made some
necessary changes to the machinery。 The next day the young inventor
attached his device to the pump valve； and the loading of the craft was
continued。
All was in readiness for the gold…seeking expedition a week later。
Captain Weston had carefully charted the route they were to follow； and it
was decided to move along on the surface for the first day； so as to get
well out to sea before submerging the craft。 Then it would sink below the
surface； and run along under the water until the wreck was reached； rising
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at times； as needed； to renew the air supply。
With sufficient stores and provisions aboard to last several months； if
necessary； though they did not expect to be gone more than sixty days at
most； the adventurers arose early one morning and went down to the dock。
Mr。 Jackson was not to accompany them。 He did not care about a
submarine trip； he said； and Mr。 Swift desired him to remain at the seaside
cottage and guard the shops； which contained much valuable machinery。
The airship was also left there。 〃Well； are we all ready？〃 asked Mr。 Swift
of the little party of gold…seekers； as they were about to enter the conning
tower hatchway of the submarine。
〃All ready； dad；〃 responded his son。
〃Then let's get aboard；〃 proposed Captain Weston。 〃But first let me
take an observation。〃
He swept the horizon with his telescope； and Tom noticed that the
sailor kept it fixed on one particular spot for some time。
〃Did you see anything？〃 asked the lad。
〃Well； there is a boat lying off there；〃 was the answer。 〃And some one
is observing us through a glass。 But I don't believe it matters。 Probably
they're only trying to see what sort of an odd fish we are。〃
〃All aboard； then；〃 ordered Mr。 Swift； and they went into the
submarine。 Tom and his father； with Captain Weston； remained in the
conning tower。 The signal was given； the electricity flowed into the
forward and aft plates； and the Advance shot ahead on the surface。
The sailor raised his telescope once more and peered through a
window in the tower。 He uttered an exclamation。
〃What's the matter？〃 asked Tom。
〃That other shipa small steameris weighing anchor and seems to be
heading this way；〃 was the reply。
〃Maybe it's some one hired by Berg to follow us and trace our
movements；〃 suggested Tom。
〃If it is we'll fool them；〃 added his father。 〃Just keep an eye on them；
captain； and I think we can show them a trick or two in a few minutes。〃
Faster shot the Advance through the water。 She had started on her way
to get the gold from the sunken wreck； but already enemies were on the
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TOM SWIFT AND HIS SUBMARINE BOAT （or Under the Ocean for Sunken Treasure）
trail of the adventurers； for the ship the sailor had noticed was steaming
after them。
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TOM SWIFT AND HIS SUBMARINE BOAT （or Under the Ocean for Sunken Treasure）
CHAPTER Fourteen
In the Diving Suits
There was no doubt that the steamer was coming after the submarine。
Several observations Captain Weston made confirmed this； and he
reported the fact to Mr。 Swift。
〃Well； we'll change our plans； then；〃 said the inventor。 〃Instead of
sailing on the surface we'll go below。 But first let them get near so they
may have the benefit of seeing what we do。 Tom； go below； please； and
tell Mr。 Sharp to get every thing in readiness for a quick descent。 We'll
slow up a bit now； and let them get nearer to us。〃
The speed of the submarine was reduced； and in a short time the
strange steamer had overhauled her； coming to within hailing distance。
Mr。 Swift signaled for the machinery to stop and the submarine came
to a halt on the surface； bobbing about like a half…submerged bottle。 The
inventor opened a bull's…eye in the tower； and called to a man on the
bridge of the steamer：
〃What are you following us for？〃
〃Following you？〃 repeated the man； for the strange vessel had also
come to a stop。 〃We're not following you。〃
〃It looks like it；〃 replied Mr。 Swift。 〃You'd better give it up。〃
〃I guess the waters are free；〃 was the quick retort。 〃We'll follow you if
we like。〃
〃Will you？ Then come on！〃 cried the inventor as he quickly closed the
heavy glass window and pulled a lever。 An instant later the submarine
began to sink； and Mr。 Swift could not help laughing as； just before the
tower went under water； he had a glimpse of the astonished face of the
man on the bridge。 The latter had evidently not expected such a move as
that。
Lower and lower in the water went the craft； until it was about two
hundred feet below the surface。 Then Mr。 Swift left the conning tower；
descended to the main part of the ship； and asked Tom and Captain Weston
to take charge of the pilot house。
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〃Send her ahead； Tom；〃 his father said。 〃That fellow up above is
rubbing his eyes yet； wondering where we are； I suppose。〃
Forward shot the Advance under water； the powerful electrical plates
pulli
