Hevea Brasiliensis
A tree of tropical America growing in damp forests, especially in the Amazon valley, which, together with other trees called siphonia furnish the Para rubber, or American caoutchouc. The sap is collec...
A tree of tropical America growing in damp
forests, especially in the Amazon valley, which, together with
other trees called siphonia furnish the Para rubber, or American
caoutchouc. The sap is collected from incisions made in the tree
during the dry season, and is poured over clay molds and dried by
gentle heat, successive pourings being made till a sufficiently
thick layer is produced.
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