key.

"It's our only chance now," he said.

He flung up a window which opened on a ventilating shaft, and showed
that the wall was set with iron staples that made the rudest and most
perilous of wall ladders to serve as a fire escape from the upper flats.
He shoved Mr. Bensington out of the window, showed him how to cling on,
and pursued him up the ladder, goading and jabbing his legs with a bunch
of keys whenever he desisted from climbing. It seemed to Bensington at
times that he must climb that vertical ladder for evermore. Above, the
parapet was inaccessibly remote, a mile perhaps, below--He did not care
to think of things below.

"Steady on!" cried the clerk, and gripped his ankle. It was quite
horrible having his ankle gripped like that, and Mr. Bensington
tightened his hold on the iron staple above to a drowning clutch, and
gave a faint squeal of terror.

It became evident the clerk had broken a window, and then it seemed he
had leapt a vast distance sideways, and there came the noise of a
window-frame sliding in its sash. He was bawling things.

Mr. Bensington moved his head round cautiously until he could see the
clerk. "Come down six steps," the clerk commanded.

All this moving about seemed very foolish, but very, very cautiously Mr.
Bensington lowered a foot.

"Don't pull me!" he cried, as the clerk made to help him from the open