That night the whole city was shaken out of sleep by an explosion of gunpowder which shattered to fragments the building in which he should have slept and perished;and the next morning the bodies of Darnley and a page were found strangled in a garden adjoining it, whither they had apparently escaped over a wall, to be despatched by the hands of Bothwell's attendant confederates.
The powdered amalgam was then shaken out of the quills on to the plate, so as to completely cover all the engraved pattern.
Furthermore the remaining permanent magnetism might be quickly shaken out.