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“... rectified
in a vessel containing vertical tubes surrounded with water, is
condensed in a spiral tube cooled with running water. In some
cases a " Coffey ” still is used. This is a vertical still consisting
of two columns of considerable height, with an internal arrange-
ment of alternate shelves. The wash is introduced at the top
of the first, and drops from shelf to shelf until it reaches the
bottom, meeting on its way down a current of steam, while the
vapour from it passes to the bottom of the second column, where
it is rectified by the cold wash passing through it in tubes, and
condensed in the upper part. The process is continuous, and
the separation is so complete that the hot spirit constantly
passes off to the cooler from near the top of the second, while
the waste liquor runs off at the bottom of the first. As it comes
from the still the spirit is colourless, but prior to shipment it
is coloured to meet market requirements with burnt sugar or
•molasses. The finest rum...”
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