"Do let us see the room, governor," urged Tom May. "Mary showed
it to me the first time I came here, and I thought it about the
jolliest spot in the house."

"So it is, Tom," said Henry. "Mary says it should be called the
Rose Room, not the grey one."

"All who care to do so can see it," answered Sir Walter, rising.
"We will look in on our way to bed. Get the key from my key-cabinet
in the study, Henry. It's labelled 'Grey Room.'"




CHAPTER II

AN EXPERIMENT


Ernest Travers, Felix Fayre-Michell, Tom May, and Colonel Vane
followed Sir Walter upstairs to a great corridor, which ran the
length of the main front, and upon which opened a dozen bedrooms
and dressing-rooms. They proceeded to the eastern extremity. It
was lighted throughout, and now their leader took off an electric
bulb from a sconce on the wall outside the room they had come to
visit.

"There is none in there," he explained, "though the light was
installed in the Grey Room as elsewhere when I started my own plant