Long pillars support the top floor where four steam-powered beam engines rest, weighing 47 tons each.

长柱支撑的顶楼置有四台蒸汽横梁发动机，每台重47吨。

Its front is ornamented with a portico of half-a-dozen wooden pillars, supporting a balcony, beneath which a flight of wide granite steps descends towards the street.

它的前面装饰着一个由六根木柱组成的门廊， 支撑着一个阳台，在阳台下面是一段宽阔的花岗岩台阶， 通向街道。