This method of washing has lately undergone a considerable change; for
the launder which carries the water, mixed with the crushed tin-stone and
fine sand which flow from the openings of the screen, does not reach to a
transverse trough which is inside the same room, but runs straight through
a partition into a small settling-pit. A boy draws a three-toothed rake
through the material which has settled in the portion of the launder outside
the room, by which means the larger sized particles of tin-stone settle at the
bottom, and these the washer takes out with the wooden shovel and carries
into the room; this material is thrown into an ordinary strake and swept
with a wooden scrubber and washed. As for those tin-stone particles which
the water carries off from the strake, after they have been brought back on to
the strake, he washes them again until they are clean.
the launder which carries the water, mixed with the crushed tin-stone and
fine sand which flow from the openings of the screen, does not reach to a
transverse trough which is inside the same room, but runs straight through
a partition into a small settling-pit. A boy draws a three-toothed rake
through the material which has settled in the portion of the launder outside
the room, by which means the larger sized particles of tin-stone settle at the
bottom, and these the washer takes out with the wooden shovel and carries
into the room; this material is thrown into an ordinary strake and swept
with a wooden scrubber and washed. As for those tin-stone particles which
the water carries off from the strake, after they have been brought back on to
the strake, he washes them again until they are clean.
The remaining tin-stone, mixed with sand, flows into the small settling-pit
which is within the building, and this discharges into two large buddles. The
tin-stone of moderate size, mixed with those of fairly large size, settle in the
upper part, and the small size in the lower part; but both are impure, and
for this reason they are taken out separately and the former is washed twice,
which is within the building, and this discharges into two large buddles. The
tin-stone of moderate size, mixed with those of fairly large size, settle in the
upper part, and the small size in the lower part; but both are impure, and
for this reason they are taken out separately and the former is washed twice,
A—FIRST LAUNDER. B—THREE-TOOTHED RAKE. C—SMALL SETTLING
PIT. D—LARGE
BUDDLE. E—BUDDLE RESEMBLING THE SIMPLE BUDDLE. F—SMALL ROLLER. G—
BOARDS. H—THEIR HOLES. I—SHOVEL. K—BUILDING. L—STOVE. (THIS PICTURE
DOES NOT ENTIRELY AGREE WITH THE TEXT).
BUDDLE. E—BUDDLE RESEMBLING THE SIMPLE BUDDLE. F—SMALL ROLLER. G—
BOARDS. H—THEIR HOLES. I—SHOVEL. K—BUILDING. L—STOVE. (THIS PICTURE
DOES NOT ENTIRELY AGREE WITH THE TEXT).
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