six o'clock
you 'd do as much for me any day , and think no more about it . It 'll be your turn to save mine next . '' `` True , and I sha n't be easy till my turn arrives . '' `` I tell you what , Jack , '' whispered Thames , who had noticed Sheppard 's menacing glance , and dreaded some further indiscretion on his part , `` if you really wish to oblige me , you 'll get that packing-case finished by six o'clock . You _ can _ do it , if you will . '' `` And I _ will _ , if I can , depend upon it , '' answered Sheppard , with a laugh . So saying , he manfully resumed his work ; while Wood and Thames quitted the room , and went down stairs .