hine
is provided with an arrangement by means of which the whole batch of
yarn can be lifted out of the dye-liquor. Arrangements are made by which
from time to time fresh quantities of dye can be added if required to
bring up the dyed yarn to any desired shade. This machine works well and
gives good results. Beyond the necessary labour in charging and
discharging, and a little attention from time to time, as the operation
proceeds, to see if the dyeing is coming up to shade, the machine
requires little attention.

Many other forms of hank-dyeing machines have been devised: there is
Corron's, in which an ordinary rectangular dye-vat is used. Round this
is a framework which carries a lifting and falling arrangement that
travels to and fro along the vat. The hanks of yarn are hung on rods of
a special construction designed to open them out in a manner as nearly
approaching handwork as is possible. The machine works in this way: the
lifting arrangement is at one end of the vat, the hanks are hung on the
rods and placed in the vat. Then the lifter is set in motion and moves
along the vat; as it does so it lifts up each rod full of yarn, turns it
over, opening out the yarn in so doing, then it drops it again in the
vat. When it has travelled to the end of the vat it returns, picking up
the rods of yarn in so doing, and this motion is kept up until the
dyeing is completed. This machine is very ingenious.

A type of machine which has been made by several makers consists of an
ordinary rectangular dye-vat surrounded with a framework carrying a
number of sets of endless chains, the links of which carry fingers. The
hanks of yarn are hung on rods at one end of which is a tooth wheel that
when in position fits into a rack on the side of the vat. The action of
the machine is this: the hanks are hung on the rods and placed at the
entrance end of the vat, by the moving of the chains it is carried along
the vat and at the same time revolves, thus turning over the yarn which
hangs in the dye-liquor; when it reaches the opposite end of the vat,
the rod full of yarn is lifted out, carried upwards and then towards the
other end of the vat when it is again dropped into the dye-vat to go
through the same cycle of movements which is continued until the yarn is
properly dyed.

COP DYEING.

In weaving fancy-coloured fabrics the ordinary mode is to dye the yarn
in the hank form, then those which have to be used for the weft are
wound into