. Plants and their uses; an introduction to botany. Botany; Botany, Economic. 282 INDUSTRIAL PLANTS of crude rubber for various articles including water-vessels, shoes, and torches. Similar prehistoric use was made by the East Indians of the product the.y obtained from the india- rubber tree (Fig. 271) which yet remains one of the more important Asiatic sources of this remarkable substance. Simple, primitive methods of obtaining the raw material are still practised very generally by the natives of to-day who in various parts of the world collect the rubber which is ex-. Fn:. 271.—India Rubljur
![. Plants and their uses; an introduction to botany. Botany; Botany, Economic. 282 INDUSTRIAL PLANTS of crude rubber for various articles including water-vessels, shoes, and torches. Similar prehistoric use was made by the East Indians of the product the.y obtained from the india- rubber tree (Fig. 271) which yet remains one of the more important Asiatic sources of this remarkable substance. Simple, primitive methods of obtaining the raw material are still practised very generally by the natives of to-day who in various parts of the world collect the rubber which is ex-. Fn:. 271.—India Rubljur Stock Photo](https://c8.alamy.com/comp/RE0W1Y/plants-and-their-uses-an-introduction-to-botany-botany-botany-economic-282-industrial-plants-of-crude-rubber-for-various-articles-including-water-vessels-shoes-and-torches-similar-prehistoric-use-was-made-by-the-east-indians-of-the-product-they-obtained-from-the-india-rubber-tree-fig-271-which-yet-remains-one-of-the-more-important-asiatic-sources-of-this-remarkable-substance-simple-primitive-methods-of-obtaining-the-raw-material-are-still-practised-very-generally-by-the-natives-of-to-day-who-in-various-parts-of-the-world-collect-the-rubber-which-is-ex-fn-271india-rubljur-RE0W1Y.jpg)
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. Plants and their uses; an introduction to botany. Botany; Botany, Economic. 282 INDUSTRIAL PLANTS of crude rubber for various articles including water-vessels, shoes, and torches. Similar prehistoric use was made by the East Indians of the product the.y obtained from the india- rubber tree (Fig. 271) which yet remains one of the more important Asiatic sources of this remarkable substance. Simple, primitive methods of obtaining the raw material are still practised very generally by the natives of to-day who in various parts of the world collect the rubber which is ex-. Fn:. 271.—India Rubljur-trcc {Ficu^ cla.^liai, Mulberry Fanul', Moracccv). Tip of branch .showing leaves, the youngest unfolding and still partly enwrapped by the protective stipule-case. (Original.)—Tree growing 30 m. tall; leaves thick and ghissy; flowers similar to those of the fig (see page 102); fruit fig-like, greenislr-^ellow. Nati-e honie. Tropical Asia. ported to Europe antl America for manufacture. First, ax cuts are made in the bark of a good-sized tree in such a way that the milk which flows from the wotmds will run into little cups so placed as to receive it. The collector on his rounds empties the contents of these into a larger vessel which he finally carries to where th(> milk is to be curdled. The separation of the caoutchouc from the whey-like part of the milk is accomplished variously; as for example, by mer(> ex[)osui'e (o the air, or by the adtlition of water or vari- ous salts; but the br a smoky lire, made by burning Ijrazil-nut shells or certain palm .seeds, the operator holds the broad end of a rla'-covcred jiaddle which has lieen dipi)ed in Ihe fresh inillx, mikI luiiis il slowly till an e'eu layer. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Sargent, Frederick Leroy, 1863-. New York, H