about five o'clock
But I am not going out to-day . I shall be carrying out a somewhat elaborate experiment -- upstairs . If I go out at all '' he waited a moment , and again he looked at her fixedly '' -- I shall wait till night-time to do so . '' And then , coming back to the matter in hand , he added hastily , `` Perhaps you could do my room when I go upstairs , about five o'clock -- if that time is convenient to you , that is ? '' `` Oh , yes , sir ! That 'll do nicely ! '' Mrs. Bunting went downstairs , and as she did so she took herself wordlessly , ruthlessly to task , but she did not face -- even in her inmost heart -- the strange tenors and tremors which had so shaken her .