about two o'clock in the morning
`` Not until the very last . Our sending must have made a tremendous crash , anyway , and he probably read it by sound through the wall . '' `` But at about the fifty-mile limit of sending we lost him , '' objected Jack . `` You mean at about two o'clock in the morning , '' amended Darrow . `` Eh ? Yes , it was about two . But how did he get on to what Eldridge was doing ? ''