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Show What's New? Tin foil now used in radio enn densers is so thin that 4,350 shZt measure only an inch in thickness An airplane propelled by torpedoes t recently made its first flight of miles in Germany. x Experiments in treating soil with high-tension electricity are being mart. "I" on an Illinois farm with a special ! constructed plow. ' fi 0 Bombs for sky writing which form letters as they explode are the inven tion of an Englishman. A paint sprayer which may be at ached to a vacuum cleaner has been 1 placed on the market. , ' In the game of auto vs. locomotive I many forward passes are incomplete I |