Peering in, we could see that the only light in the room came from a dull blue flame which [?] from a small brass tripod in the centre. It threw a livid, unnatural circle upon the floor, while in the [?] beyond we saw the vague loom of two figures which [?] against the wall. From the open door there reeked a [?] poisonous exhalation which set us [?] and coughing. Holmes [?] to the top of the stairs to draw in the fresh air, and then, dashing into the room, he threw up the [?] and hurled the brazen tripod out into the garden.