No shouting after a deaf servant, no awkward stumbling over rugs to shut it himself.

I don't know but I approve of this contrivance, only----" here he caught a rather serious expression on Mr.Gryce's face--"the slide seems to be of a somewhat curious construction.

It is not made of wood, as any sensible door ought to be, but of----" "Steel," finished Mr.Gryce in an odd tone.

"This is the strangest thing yet.

It begins to look as if Mr.Adams was daft on electrical contrivances." "And as if we were prisoners here," supplemented the other.