five o'clock
`` The delay will be very long , '' said Valentine . `` It can not be done sooner . I ought to go down to Hertfordshire this evening -- most interesting case -- carbuncle -- three operations in three consecutive weeks -- Swain as operator . At five o'clock I shall be at the London Bridge station . Until then , gentlemen , good day . Lawson , the door . '' Dr. Jedd left his visitors to follow the respectable white-cravatted butler , and darted back to his consulting-room .