The stills were formerly completely bricked in, so that the vapours should be kept fully heated until they escaped to the condenser, but since the introduction of the " cracking process," the upper part has usually been left exposed to the air.
Owing to the method of assessment the tax fell with peculiar hardship on the middle classes, and to this day traces of the endeavours to lighten its burden may be seen in numerous bricked-up windows.
Bricked vault tombs were discovered containing bodies outstretched (not contracted); the deposits were of an unusually fine character and comprised silve, alabaster and even iron.
The Senne was bricked in, and the fine boulevards du Nord, Anspach, Hainaut and Midi took the place of slums. The Bourse and the post-office are two fine modern buildings in this quarter of the city.
Later, Sadik Khan, having again incurred the royal displeasure, was seized, confined and mercilessly bricked up in his dungeon to die of starvation.