13560 - The number of the cab which dropped a fare at or about the door of the Foreign Office in Charles Street, at a quarter to ten in the evening of May 23rd.
13561 Apply 221B Baker Street.'
13562 'You are confident that the thief came in a cab?'
13563 'If not, there is no harm done.
13564 But if Mr. Phelps is correct in stating that there is no hiding-place either in the room or the corridors, then the person must have come from outside.
13565 If he came from outside on so wet a night, and yet left no trace of damp upon the linoleum, which was examined within a few minutes of his passing, then it is exceedingly probable that he came in a cab.
13566 Yes, I think that we may safely deduce a cab.'
13567 'It sounds plausible.'
13568 'That is one of the clues of which I spoke.
13569 It may lead us to something.
13570 And then, of course, there is the bell - which is the most distinctive feature of the case.
13571 Why should the bell ring?
13572 Was it the thief that did it out of bravado?