. The world's commercial products [microform] : a descriptive account of the economic plants of the world and of their commercial uses. Plant products; Produits naturels; Produits végétaux; Natural products; Botanique agricole; Botany, Economic. RUBBER Knuii:K. india-rul) jcr. or caoutdioiic. is oht,iined from the milkv juice or latex of \,ui'ius pLmts. mainlv found in countries. Tliere are in the L'nited Kingdom many lat.\ yielding jilants. su, h ;ts the common waysiile milkweeds or spurges, poppies, periwinkles, but they are not commercial sources of rubber. The .actual rub
. The world's commercial products [microform] : a descriptive account of the economic plants of the world and of their commercial uses. Plant products; Produits naturels; Produits végétaux; Natural products; Botanique agricole; Botany, Economic. RUBBER Knuii:K. india-rul) jcr. or caoutdioiic. is oht,iined from the milkv juice or latex of \,ui'ius pLmts. mainlv found in countries. Tliere are in the L'nited Kingdom many lat.\ yielding jilants. su, h ;ts the common waysiile milkweeds or spurges, poppies, periwinkles, but they are not commercial sources of rubber. The .actual rubber is a mixture of cli.' bodies known as liydrocubons. resins, water, and other substances, varying with the kind of rubber, , wlcli it is obtained from, the method of preparation, purity. ,iiid so on. Commercial rubbers are distinguished bv denoting ofti'U the country of origni, such as Para rubber, rubber, Lagos silk rubber, etc. We will now proceed to give a brief account (.f the plants, and the method oi cultivation and preparation of each of the chief kinds of rubber :â. 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 Freeman, William George, b. 1874; Chandler, S. E. (Stafford Edwin). Toronto : Morang
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotanyeconomic, booky
