eight o'clock
Set him at my feet . I will sit here under the electric light and read my Italian papers . '' Thus once again a solitary occupied the Grey Room and measured his intelligence against the terrible forces therein concealed . Signor Mannetti took leave of them cheerfully at eight o'clock , and while Sir Walter and Mary descended to the library , Henry took up his station at the head of the staircase . The corridor was lighted and the door of the Grey Room left open . But in ten minutes the watcher looked out and cried to Lennox , who sat smoking about thirty-five yards from him . `` There is a great draught here , '' he said .