in the night; and here and there, low down, some vaguely outlined wind-driven mechanism flickered with livid sparks.
All this he appreciated in a fragmentary manner as his rescuers stood about him. Someone threw a thick soft cloak of fur-like texture about him, and fastened it by buckled straps at waist and shoulders. Things were said briefly, decisively. Someone thrust him forward.
Before his mind was yet clear a dark shape gripped his arm. "This way," said this shape, urging him along, and pointed Graham across the flat roof in the direction of a dim semicircular haze of light. Graham obeyed.
"Mind!" said a voice, as Graham stumbled against a cable. "Between them and not across them," said the voice. And, "We must hurry."
"Where are the people?" said Graham. "The people you said awaited me?"
The stranger did not answer. He left Graham's arm as the path grew narrower, and led the way with rapid strides. Graham followed blindly. In a minute he found himself running. "Are the others coming?" he panted, but received no reply. His companion glanced back and ran on. They came to a sort of pathway of open metal-work, transverse to the direction they had come, and they turned aside to follow this. Graham looked back, but the snowstorm had hidden the others.
"Come on!" said his guide. Running now, they drew near a little windmill spinning high in the air. "Stoop," said Graham's guide, and they avoided an endless band running roaring up to the shaft of the vane. "This way!" and they were ankle deep in a gutter full of drifted thawing snow, between two low walls of metal that presently rose waist high. "I will go first," said the guide. Graham drew his cloak about him and followed. Then suddenly came a narrow abyss
