Fall of the house of usher, excerpt by edgar allan poe the room in which i found myself was very large and lofty. the windows were long, narrow, and pointed, and at so vast a distance from the black oaken floor as to be altogether inaccessible from within. feeble gleams of encrimsoned light made their way through the trellised panes, and served to render sufficiently distinct the more prominent objects around; the eye, however, struggled in vain to reach the remoter angles of the chamber, or the recesses of the vaulted and fretted ceiling. dark draperies hung upon the walls. the general furniture was profuse, comfortless, antique, and tattered. many books and musical instruments lay scattered about, but failed to give any vitality to the scene. i felt that i breathed an atmosphere of sorrow. an air of stern, deep, and irredeemable gloom hung over and pervaded all. which words from this paragraph create an unsettling mood? trellised panes sorrow, failed instruments, atmosphere oaken floor