This section is from the book "The Engineer's And Mechanic's Encyclopaedia", by Luke Hebert. Also available from Amazon: Engineer's And Mechanic's Encyclopaedia.
Those extremely delicate threads of animal or vegetable production, such as are produced by the silk-worm, spiders, flax, nettles, etc.; by the combination and twisting of which, threads, cordage and cloth are made.
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