Read it through once

Roused into new strength and energy, and stimulated by the noise within the house which announced that an entrance had really been effected, he set his foot against the stack of chimneys, fastened one end of the rope tightly and firmly round it, and with the other made a strong running noose by the aid of his hands and teeth almost in a second. He could let himself down by the cord to within a less distance of the ground than his own height, and had his knife ready in his hand to cut it then and drop.