<h2>CHAPTER X</h2>
<h3>The Walls of Hell</h3>
<p class="cap"><span class="dcap">The</span> traitors were, it seemed, a degenerate gang
of Americans, located a few miles north of Nu-yok
on the wooded banks of the Hudson, the
Sinsings. They had exchanged scraps of information
to the Hans in return for several old repellor-ray
machines, and the privilege of tuning in on the Han
electronic power broadcast for their operation, provided
their ships agreed to subject themselves to the
orders of the Han traffic office, while aloft.</p>
<p>The rest wanted to ultrophone their news at once,
since there was always danger that we might never
get back to the gang with it.</p>
<p>I objected, however. The Sinsings would be likely
to pick up our message. Even if we used the directional
projector, they might have scouts out to the west and
south in the big inter-gang stretches of country. They
would flee to Nu-yok and escape the punishment they
merited. It seemed to be vitally important that they
should not, for the sake of example to other weak
groups among the American gangs, as well as to prevent
a crisis in which they might clear more vital information
to the enemy.</p>
<p>"Out to sea again," I ordered Gibbons. "They'll be
less likely to look for us in that direction."</p>
<p>"Easy, Boss, easy," he replied. "Wait until we get
up a mile or two more. They must have discovered
evidences of our raid by now, and their dis-ray wall
may go in operation any moment."</p>
<p>Even as he spoke, the ship lurched downward and to
one side.</p>
<p>"There it is!" he shouted. "Hang on, everybody.
We're going to nose straight up!" And he flipped
the rocket-motor control wide open.</p>
<p>Looking through one of the rear ports, I could see
a nebulous, luminous ring, and on all sides the atmosphere
took on a faint iridescence.</p>
<p>We were almost over the destructive range of the
disintegrator-ray wall, a hollow cylinder of annihilation
shooting upward from a solid ring of generators surrounding
the city. It was the main defense system of
the Hans, which had never been used except in periodic
tests. They may or may not have suspected that an
American rocket ship was within the cylinder; probably
they had turned on their generators more as a precaution
to prevent any reaching a position above the city.</p>
<p>But even at our present great height, we were in
great danger. It was a question how much we might
have been harmed by the rays themselves, for their
effective range was not much more than seven or eight
miles. The greater danger lay in the terrific downward
rush of air within the cylinder to replace that which
was being burned into nothingness by the continual
play of the disintegrators. The air fell into the cylinder
with the force of a gale. It would be rushing toward
the wall from the outside with terrific force also, but,
naturally, the effect was intensified on the interior.</p>
<p>Our ship vibrated and trembled. We had only one
chance of escape—to fight our way well above the current.
To drift down with it meant ultimately, and inevitably,
to be sucked into the destruction wall at some
lower level.</p>
<p>But very gradually and jerkily our upward movement,
as shown on the indicators, began to increase,
and after an hour of desperate struggle we were free
of the maelstrom and into the rarefied upper levels.
The terror beneath us was now invisible through several
layers of cloud formations.</p>
<p>Gibbons brought the ship back to an even keel, and
drove her eastward into one of the most brilliantly gorgeous
sunrises I have ever seen.</p>
<p>We described a great circle to the south and west, in
a long easy dive, for he had cut out his rocket motors
to save them as much as possible. We had drawn
terrifically on their fuel reserves in our battle with the
elements. For the moment, the atmosphere below
cleared, and we could see the Jersey coast far beneath,
like a great map.</p>
<p>"We're not through yet," remarked Gibbons suddenly,
pointing at his periscope, and adjusting it to
telescopic focus. "A Han ship, and a 'drop ship' at
that—and he's seen us. If he whips that beam of his
on us, we're done."</p>
<p>I gazed, fascinated, at the viewplate. What I saw
was a cigar-shaped ship not dissimilar to our own in
design, and from the proportional size of its ports,
of about the same size as our swoopers. We learned
later that they carried crews, for the most part of not
more than three or four men. They had streamline
hulls and tails that embodied universal-jointed double
fish-tail rudders. In operation they rose to great heights
on their powerful repellor rays, then gathered speed
either by a straight nose dive, or an inclined dive in
which they sometimes used the repellor ray slanted
at a sharp angle. He was already above us, though
several miles to the north. He could, of course, try
to get on our tail and "spear" us with his beam as he
dropped at us from a great height.</p>
<p>Suddenly his beam blazed forth in a blinding flash,
whipping downward slowly to our right. He went
through a peculiar corkscrew-like evolution, evidently
maneuvering to bring his beam to bear on us with a
spiral motion.</p>
<p>Gibbons instantly sent our ship into a series of evolutions
that must have looked like those of a frightened
hen. Alternately, he used the forward and the reverse
rocket blasts, and in varying degree. We fluttered, we
shot suddenly to right and left, and dropped like a
plummet in uncertain movements. But all the time
the Han scout dropped toward us, determinedly whipping
the air around us with his beam. Once it sliced
across beneath us, not more than a hundred feet, and
we dropped with a jar into the pocket formed by the
destruction of the air.</p>
<p>He had dropped to within a mile of us, and was
coming with the speed of a projectile, when the end
came. Gibbons always swore it was sheer luck. Maybe
it was, but I like pilots who are lucky that way.</p>
<p>In the midst of a dizzy, fluttering maneuver of our
own, with the Han ship enlarging to our gaze with
terrifying rapidity, and its beam slowly slicing toward
us in what looked like certain destruction within the
second, I saw Gibbons' fingers flick at the lever of his
rocket gun and a split second later the Han ship flew
apart like a clay pigeon.</p>
<p>We staggered, and fluttered crazily for several moments
while Gibbons struggled to bring our ship into
balance, and a section of about four square feet in
the side of the ship near the stern slowly crumbled like
rusted metal. His beam actually had touched us, but
our explosive rocket had got him a thousandth of a
second sooner.</p>
<p>Part of our rudder had been annihilated, and our
motor damaged. But we were able to swoop gently
back across Jersey, fortunately crossing the ship lanes
without sighting any more Han craft, and finally
settling to rest in the little glade beneath the trees, near
Hart's camp.</p>
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