A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...

154
THE METALLURGY OF ANTIMONY.
on fracture shows a non-homogeneous structure, it requires to be
rapidly remelted under a layer of charcoal, so as to prevent
oxidation.
Fig. 62 shows a smelting furnace for the production of alloys of
antimony with other metals.
a, Graphite crucible.
h, Cast-iron plate.
c, Grate.
d, Fire-brick.
«, Common brick.
FIG. 62.—Scale
2. Pigments and Pajnts.
/, Ground.
g, Chimney.
h, Iron cover for furnace.
i, Balancing weight
Jc, Arch.
(a) Antimony White. *—The process for forming it, as gjven by
MM. BoUerre, Ruok, and Rousseau, is as follows t:—In a brick oven
or a cast-iron furnace, a draught of air and a jet of steam regulated for
* Taken from the translation by Fesqueat.
t Vide (i Volatilisation Process'* under Metallurgy.