United States. Dept. of Agriculture · [Washington · leaf 70
DESCRIPTION OF THE PLATES AND THE FIBRES WHICH THEY REPRESENT.No. 4.—Silk, from an East India handkerchief. … The fibre of silk consists of a round or somewhat flattened, narrow, and struct-ureless substance of indefinite length, quite solid—that is, without any internalcavity, and without any visible markings. The original condition of these fibres, when first unwound from the cocoon,shows them in pairs,…
Flax · Hemp · Textile fibers
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