The Cultivation and Manufacture of TeaMoney, Edward
Science
The Cultivation and Manufacture of Tea
Money, Edward
Tea
Sifting is a very important item in the manufacture of Tea. Careful
and judicious sifting, as contrasted with the reverse, may make a
difference of two or three annas a lb. in the sale of Teas.
I was shown some Tea quite lately which, as regards “liquor,” was
valued by the brokers at Re. 1-3 per lb., but the “Tea” at only 14
annas! This was entirely owing to faulty sifting and sorting.
I don’t believe in _any_ machine for Tea sifting, simply because it is
not a regular process.[51] For example, you cannot say that, to make
Pekoe, you must first use one sieve, then another, and so on. The sizes
of sieves to be used, and the order in which they are to be used, will
vary continually, as both are decided by varying causes, viz., the
comparative fineness or coarseness of the Tea made daily, the greater
or less presence of red leaf in it, and (because Tea varies much during
the season, and gets coarse towards the end) by the time of the year.
These points all necessitate changes in the sizes, and the order of the
sieves.
’Tis true sieves might be changed in a machine as required, but the
only machine that could even pretend to save labour would be one in
which all the sieves were arranged one below the other, and thus the
Tea would fall through each alternately, the motion being common to
all. But this won’t do for Tea sifting. Judgment must be used to
decide _the length of time_ each sieve is to be shaken; further, with
_how much motion_ it shall be shaken, &c., &c. But this is simply
impossible with any machine, though all necessary to sift Tea well.
The cost of Tea sifting by hand (see page 161) is not eight annas _per
maund_, including picking out red leaf, which _must_ be hand-work. Good
and bad sifting will affect the value three annas per lb. or Rs. 15 per
maund!
With all parts of Tea manufacture it is well to employ the same men
continually in each department, but above all, perhaps, should this be
done in Tea sifting. A good sifter is a valuable man. He knows each
kind of Tea by name; he knows what sieves to use, and the order in
which to use them for each Tea; what the effect a larger or smaller
mesh will have on each kind, &c., &c. In fact, he knows much more of
the _practical_ part of sifting than his master can, though the latter
is, probably, a better judge how far the Teas are perfect when made.
Tea sieves are of two kinds, both round. One made of brass wire, with
wooden sides, 3-1/2 inches high, the other cane, with bamboo sides,
1-1/4 inches high only. The latter are called “Chinese sieves,” and
though the brass ones are used in many places, there is no possible
comparison between them, for the labour required in the use of the
brass ones is much greater, and the results, as regards well sorted
Tea, much better with the Chinese.
Public-domain text, read in full here on John Shaqi.
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