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Show SCIENCE NEWS HThe exhaustion of Iron and steel of th present pres-ent age of metals lore bode no vll for civilisation civil-isation to come, in the picture of the future given the American Institute of Electrical e" meeting tn Detroit by Professor CpllH O. Pink of Columbia university, inventor and authority on elejtry. wtU be thsi of slumtamn. Professor Fink predicted. And aluminum la the most abundant common metal in the earth's crust, being even more common than muoh-uaed Iron, which It Is expected to supplant for many pur- PThe keynote of the" coming new era win be the larg number of new product and devices. Professor Pink declared. "Among the metal; the one metal to enter the widest variety of new field will be aluminum aluminum for railway equipment, equip-ment, aluminum tor roof and buildings, for food containers, for transmission, for airplanes, for tank ears, pipelines, fencing, etc. Finally, w should mention th new aluminum plate, superior toUn plate In many respect, developed at the electrochemical electro-chemical Uberatoriee at Columbia. "Whereas the supply of raw material for many of our metals Is comparatively limited In years, the supply of bauxite or aluminum ore la almost limitless. Thus, for example, whereas copper at the 1 rate of consumption will last but forty or fifty year, th aluminum or reserve will satisfy sat-isfy our demands for many hundreds of years." |