Excerpt from The Mule Spinning Process, and the Machinery Employed in It: Described With Special Regard to the Spinning of Middle Fine Numbers
Mosr works which have hitherto appeared upon Cotton Spinning, consist chie¿y of calculations of the weight of the yarn, and instruct ... the spinner which alterations have to be made in the speeds of certain parts of the machines, in order to pass from one yarn number to another.
There is no doubt that this knowledge, although important in itself, is not sufficient to enable a practical spinner to know by which machine or machines any faults appearing in the yarns have been occasioned, and how they are best to be remedied. He should know besides, what object each single machine ought to accomplish, and by what means, and to what degree of perfection this can be done.
For this purpose, a thorough acquaintance with the machines used in the mills is requisite; that is to say, a knowledge of the principle and of the manner of action of the machines.
To acquire this by observation is not only difficult and tedious, in consequence of the complicated construction of these machines, but almost impossible without a certain amount of preliminary mechanical study.
The desire of the author of this treatise is to aid those who are wishing to obtain this practical knowledge with the least possible trouble.
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