about eleven o'clock
Smith during this colloquy was pacing rapidly up and down the room . He turned abruptly to the aviator . `` Every fact you can remember , Mr. West , please , '' he said tersely ; `` and be as brief as you possibly can . '' `` I came in , as I said , '' explained West , `` about eleven o'clock and having made some notes relating to an interview arranged for this morning , I locked the plans in the safe and turned in . '' `` There was no one hidden anywhere in your chambers ? '' snapped Smith . `` There was not , '' replied West .