eleven o'clock
And it was evidence of the good fellowship of the owner of the plum pudding that he did share it with both of them directly after the meal was over . `` You fellows earned it , '' he said . And they agreed that they had . * * * * * That evening it was Joe 's turn to do watch in the wireless room with Lieutenant Mackinson until eleven o'clock , at about which time the young officer retired to his bunk just off the operating room , and Slim came on , to work until three a. m. , when he was relieved by Jerry , who stayed until seven o'clock , at which time the lieutenant again assumed charge until relieved by Joe . It was a standing order , however -- at least until the younger men became more experienced with the wireless -- that Lieutenant Mackinson immediately should be apprised of the sending or receiving of any messages . This first evening out the lieutenant complained of a headache , and , acquiescing in Joe 's urging , had gone upon deck to get the air . Perhaps fifteen minutes had elapsed when Joe thought he heard someone prowling about stealthily in the battery room .