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Show Inventions to Forward Period of Prosperity The stage is set for the noblest prosperity in all history, says a writer in an eastern magazine. Thousands of inventions await us. A queer new tube is ready to displace tens of millions of dollars' worth of electrical equipment and cut iu half the cost of transmitting power. Sugar added to cement more than ! doubles its strength ; thus tomorrow's tomor-row's buildings will rise more cheap- ly and better. t Strange alloys are on hand for re-, re-, ducing the weight of trains, autos and airplanes. Automotive engineers ! say that, if the producers wished, they could double the lives of their ' cars at a slight increase of cost. , The list of precious improvements , on hand but still unused is almost endless and infuriating. I The reason they are not available now is that nobody can be sure that people stand ready to foot the hill. The art of making tilings has been , perfected, chiefly through advances ; in physics and chemistry. Its tech-. tech-. niques are those of the engineer. But the art of analyzing people's wishes and then influencing them to use things is still on the level of the camp-meeting evangelist. Its exponents employ the sawdust trail, , ballyhoo and Incantations. |