Lord John ran the motor to the kerb, and in an instant we had rushed through the open door of the house and up the staircase to the second-floor front room from which the signal proceeded.
A very old lady sat in a chair by the open window, and close to her, laid across a second chair, was a cylinder of oxygen, smaller but of the same shape as those which had saved our own lives. She turned her thin, drawn, bespectacled face towards us as we crowded in at the doorway, "I feared that I was abandoned here for ever," said she, "for I am an invalid and cannot stir."
"Well, madam," Challenger answered, "it is a lucky chance that we happened to pass."
"I have one all-important question to ask you," said she. "Gentlemen, I beg that you will be frank with me. What effect will these events have upon London and North-Western Railway shares?"
We should have laughed had it not been
