'I did not hear the manager's reply, but quite satisfied now that nothing was wrong, I went back to my pipe and my newspaper.

Almost directly afterwards I heard the manager leave his room, cross the hall and go out by the street door.

It was only after he had gone that I recollected that he must have forgotten to unlock the glass partition and that I could not therefore bolt the door into the hall the same as usual, and I suppose that is how those confounded thieves got the better of me.'".