In this manner the front part of the building is made, and is divided into
three parts ; the first part is twelve feet wide and is under the hood, which
consists of two walls, one vertical and one inclined. The second part is the
same number of feet wide and is for the reception of the ore to be smelted,
the fluxes, the charcoal, and other things which are needed by the smelter.
The third part is nine feet wide and contains two separate rooms of equal
size, in one of which is the assay furnace, while the other contains the metal
to be melted in the cupellation furnaces. It is thus necessary that in the
•This set of rafters appears to start from the longitudinal beam.
