Read it through once

They used to show to visitors the implements of torture wherewith the Three were wont to worm secrets out of the accused--villainous machines for crushing thumbs; the stocks where a prisoner sat immovable while water fell drop by drop upon his head till the torture was more than humanity could bear; and a devilish contrivance of steel, which inclosed a prisoner's head like a shell, and crushed it slowly by means of a screw. It bore the stains of blood that had trickled through its joints long ago, and on one side it had a projection whereon the torturer rested his elbow comfortably and bent down his ear to catch the moanings of the sufferer perishing within.