CHEAPER RUBBER
A DUTCH INVENTION. [United Press Association.—By Electric Telegraph.—Copyright.] WELTVREDEN, December 20. A Dutch planter has invented a special tapping knife and a new rubber tapping method. This has caused the rubber trees to yield five times more, as the experiments show. The exports predict that this invention will cause a sensational change in all the estimates of rubber production. Moreover the cost price of Dutch rubber culture is decreasing to a level which leaves a handsome profit even by the present low market price. The invention is covered by a patent.
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Hokitika Guardian, 23 December 1929, Page 6
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93CHEAPER RUBBER Hokitika Guardian, 23 December 1929, Page 6
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