[Ccnet-jira] Riness that pushes them on. And when they reached the vicinity of the campus

 way to let them know we're all safe," he said, finally. "But how?"
demanded Andy. "If it was daylight we could stand out in a row, and
they'd see us through the glasses. Or we could use the wigwag code,
which some of the Boy Scouts would translate. But in the dark--" "That's
just what occurred to me," said Frank, quickly. "Listen, Andy. Strange
to say, our little searchlight on the biplane escaped being broken when
we landed so roughly. I mean to use that to signal with." At that his
cousin gave vent to an exclamation of delight. "Great! It sure takes you
to think up these things, Frank!" he cried. Accordingly Frank secured
the acetyline lamp and having lighted the same, stood out where his
actions could surely be seen by some of the anxious watchers in
Bloomsbury. Then he started to wave the light slowly but methodically,
so as to induce some sort of reply. After about ten minutes he called
out to Andy and the others: "One of the Scouts is starting to answer
with a lantern. And now to try and make him understand that the whole
four of us are up here safe, and will stay until morning." Even the
groaning Percy managed to crawl to the mouth of the crevice to watch
operations. Frank persisted until he knew that his message had been
understood, for the answer had come "O. K." "Now we can take things more
comfortably, because we kno