ten o'clock
she said . `` Go on ! '' `` I had been busy all that day in my office finishing up my work . I turned the key in the door at ten o'clock , thinking with relief that for six weeks I should not open it , and I strolled northward out of Wadi Halfa along the Nile bank into the little town of Tewfikieh . As I entered the main street I saw a small crowd -- Arabs , negroes , a Greek or two , and some Egyptian soldiers , standing outside the café , and lit up by a glare of light from within . As I came nearer I heard the sound of a violin and a zither , both most vilely played , jingling out a waltz . I stood at the back of the crowd and looked over the shoulders of the men in front of me into the room .