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Show Rubber 'The sap of the rubber tree, known as latex, looks like rubber, suspended in the form of microscopic micro-scopic particles, much as is the but-terfat but-terfat in cream. Like milk, the latex la-tex will spoil on standing and so must bo worked into rubber as soon as possible. This process is no longer carried out by the tedious method of evaporating the latex over a smoky fire. Instead, acetic acid is added to the latex, throwing throw-ing out the rubber as a white, sticky clot. The rubber Is then pressed into slabs and dried and is readj for shipment to the manufacturer Chicago Tribune |