The Industries of Scotland; Their Rise, Progress, And Present Condition
The Industries of Scotland; Their Rise, Progress, And Present Condition
D David Bremner
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The carding-engines consist of a series of cylinders covered with wire spikes of various degrees of fineness. The cotton is fed into the carder from the bobbins of the spreading-machine, and emerges in the form of a ribbon or sliver. As it comes from the carder the sliver is exceedingly tender and loose, and is received from the machine in tin cans. If the cotton be examined at this stage it will be seen that, though the fibres show a general tendency to parallel arrangement, many of them are d...oubled and twisted in a way which would render it impossible to form them into the finer qualities of yarn. On following the slivers to another set of beauti- ful machines it will be seen how the filaments are arranged in per- fect order. The process is called drawing and doubling. The drawing-frame consists of a combination of rollers, which serve to draw out and elongate the sliver. Their action is exceedingly simple, and as they form a part of all subsequent machines through which the cotton is passed until the spinning is completed, it may be well to explain how they act.
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