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Updated: May 17, 2025
It is therefore, first boiled, and then picked and carded like wool, and being afterwards spun, is used in the coarser stuffs of the silk manufacture. The other cocons, which yield the best silk, are managed in a different manner. Before the inclosed worm has time to penetrate, the silk is reeled off with equal care and ingenuity.
It is no unusual to see double cocons, spun by two worms included under a common cover. There must be an infinite number of worms to yield any considerable quantity of silk.
The female lays her eggs, which are carefully preserved; but neither she nor her mate takes any nourishment, and in eight or ten days after they quit the cocons, they generally die. The silk of these cocons cannot be wound, because the animals in piercing through them, have destroyed the continuity of the filaments.
A handful of the cocons are thrown away into a kettle of boiling water, which not only kills the animal, but dissolves the glutinous substance by which the fine filaments of the silk cohere or stick together, so that they are easily wound off, without breaking.
One ounce of eggs or grains produces, four rup, or one hundred Nice pounds of cocons; and one rup, or twenty-five pounds of cocons, if they are rich, gives three pounds of raw silk; that is, twelve pounds of silk are got from one ounce of grains, which ounce of grains its produced by as many worms as are inclosed in one pound, or twelve ounces of cocons.
In preserving the cocons for breed, you must choose an equal number of males and females; and these are very easily distinguished by the shape of the cocons; that which contains the male is sharp, and the other obtuse, at the two ends.
There is a manufacture of this kind just without one of the gates of Nice, where forty or fifty of these wheels are worked together, and give employment for some weeks to double the number of young women. Those who manage the pods that float in the boiling water must be very alert, otherwise they will scald their fingers. The smell that comes from the boiling cocons is extremely offensive.
Six or seven of these small filaments being joined together are passed over a kind of twisting iron, and fixed to the wheel, which one girl turns, while another, with her hands in the boiling water, disentangles the threads, joins them when they chance to break, and supplies fresh cocons with admirable dexterity and dispatch.
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