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Show WORTH KNOWING Forty-eight different materials are used in the construction of a piano, which come from no ff.ver than sixteen six-teen countries. Eighteen thousand bricks can be manufactured by the steam process in ten hours. An induction balance has been devised de-vised for the purpose of locating buried shells in the soil of the former battlefield, battle-field, so that the farmer may go over 't safely with the plow. Bananas can be ripened in a room kept at 110 degrees. Every day the River Thames scoops 1,500 tons of earth from its banks. A full-grown elephant yields 120 pounds of ivory. The government of Argentina plans to import camels as an experiment to take the place of horses and oxen in semiarid regions. James Berry, who recently celebrated cele-brated his eightieth birthday, has been employed in the United States capi-i capi-i toi at Washington for 60 years. |