| Show rubber plant oil for umbrellas A vegetable oil used in making paper umbrellas in japan Is pressed out of the seeds of 0 tho the rubber plant this oil Is made in the various islands famed for oil and seeds from these thesa plants sandy ground Is favored for the cultivation of 0 the plant and the oil Is extracted from the seeds by presses the yield of seeds is estimated at 20 bushels bus liela pr acre the annual production ti throughout ja japan pan amounts to 3 bushels from which over a gallon of oil per bushel is extracted the oil before it is used Is boiled and then cooled until it can be applied by hand to umbrellas with a piece of cloth or waste no machinery or tools are used in applying the oil when tho the oiling Is complete the umbrellas are exposed in the sun for about abort five hours thia oil is also used in making the japanese lanterns artificial leathor printing ink laquer varnishes oil paper and paints |
