<h2><SPAN name="CHAPTER_XXXVI" id="CHAPTER_XXXVI"></SPAN>CHAPTER XXXVI</h2>
<h3><i>City of Ice Besieged</i></h3>
<p>We were not greatly harmed by this surprise attack; the power house was
superficially damaged, but soon repaired. That night—I call it that
though the constant weak daylight made the term incongruous—activity
showed in the City of Ice.</p>
<p>It came with a vertical spray of light rising from the ice wall which
encircled the city. Spreading light beams rising from points a hundred
feet apart along the wall. The beams spread fan-shape, so that within
fifty feet above their source they met and merged into a thin sheet of
effulgence rising into the sky. Tarrano's barrage.</p>
<p>It seemed then that beyond suicidal sorties of the kind we had just
repulsed, Tarrano was planning to stand purely on the defensive. It was
our own plan to surround the city with our towers; even those on the
further side would be within range of our power house; and with the city
thus beleaguered, we would attack the wall from every side at once.</p>
<p>We tested now this barrage Tarrano had thrown up. Sprays of its
insulated area came down to protect the wall in front; and protected
also the triangular spaces between the sources of the main beams.
Tentatively one of our towers approached within range; but our rays only
beat into the barrage with the hiss of molten metal plunged into water,
and with a burst of interference sparks. Even at a horizontal thousand
feet we could do nothing. Then we tried altitude. Our projectors,
mounted individually on small platforms automatically controlled to fly
without human pilot, went up and we strove to get them over the barrage.</p>
<p>At five thousand feet one went over safely. But the electronic bomb it
dropped into the city was an easy mark for Tarrano's watchful defense
rays. He exploded it harmlessly when it was still high above him.</p>
<p>After the next time of sleep we invested the city. Our towers were set
in a ring about it, two thousand feet from the wall. They were mobile
units, ready to sail forward or back or upward at any moment. Georg
stayed in command of the instrument room. It was never placed, but
sailed continuously in slow circular flight around the city above our
line. The power house remained in its place, with our largest projector
mounted on the cliff beside it in order to frustrate any further
attacks.</p>
<p>They were solemn moments as we broke our encampment. The girls, far more
agile in the air than men, were lightly dressed, with the supporting
mechanism strapped to them. The heating units enveloped them in an
invisible cloak of warm air. To their left arms a strapped cylinder gave
off a fan-shape area of insulation—an almost invisible shield of
protective barrage some five feet long. It showed as a faint glow of
light; and in flight their left arms could swing it like a shield to
protect their bodies. They had telephonic ear-pieces available; a tiny
mirror fastened to their chests to face them, upon which Georg or
Geno-Rhaalton could project images; a mouthpiece for talking to Georg;
and a belt of offensive weapons, useful within a range of five hundred
feet but no further.</p>
<p>Very alert and agile, twisting and turning in the air were these girls.
We men were similarly equipped, but our movements in the air were
heavier, clumsier. Elza and I had practiced with the others for days;
and with our harmless duelling rays I had found that I could never hope
to hit her while she dealt me mortal blows.</p>
<p>Elza, commanding a squad of twenty girls, was assigned to a portion of
the line some helans from me. My own place, with a hundred men under me,
was near a tower almost on the opposite side from the power house.</p>
<p>It was a solemn parting from Elza. I wrapped her in my arms, tried to
smile. "Be very—careful, Elza."</p>
<p>She kissed me, clung to me; then cast me off and was gone.</p>
<p>With the city invested, we rested idly for another time of sleep.
Occasionally we made a tentative tower attack which came to nothing.
Tarrano waited; his barrage remained the same. We tried to provoke a
move from him, but could not.</p>
<p>The snow-plain where I was stationed here was similar to the other side,
save that there were no mountains. From the power house to Tarrano's
wall there was a dip, so that the wall stood upon higher ground. On my
side, however, the reverse was true. The wall lay in a hollow in one
place, with a steady upward slope back from it to uplands behind us, as
though in some better day a broad watercourse had flowed down here, now
long since buried in solid ice and snow.</p>
<p>I mention this topography because it had a vital bearing upon what so
soon was to transpire.</p>
<p>Rhaalton desired that Tarrano come out and attack us; but Tarrano would
not. We thought perhaps that his offense was inadequate and the one move
that he made strengthened that belief. From the city beside the palace,
a rectangle of black metal some fifty feet square, rose slowly up. In
aspect it was a square, windowless room—a room without a ceiling, open
at the top. It rose to a height of five hundred feet and hung level. And
from it depended dangling power cables connecting it with the ground.</p>
<p>It was the presence of these cables that made us feel Tarrano was
offensively weak. He could not aerially transport his power; hence, for
offense he could only rely upon individual batteries which, unless
permanently stationed within the city, we knew would have a short range
at best. We watched this thing in the air for hours. It did not move; it
was soundless. What was its purpose? We could not guess.</p>
<p>And then at last, Geno-Rhaalton ordered us all to the attack.</p>
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