10:15
9:30 -- Has been spending a quarter of an hour on his knees looking behind furniture and examining base-board . 10:00 -- He has the key to the onyx clock . Has hidden it twice , once up the chimney flue , once behind base-board . 10:15 -- He has just thrown key or similar small article outside window into yard . 11:00 -- Has gone to bed . Light burning . Shall sleep here on floor .