Show FREIGHT CARS i OF ALUMINUM I Light Metal Declared I Likely Substitute for Steel Coaches I II t I WASHINGTON April Pro a-Pro- 1 Pro Production 0 of r a metal Its It spon spon- sponsor sor or claims claim would re Dize transportation Is one ot or the fea- fea features tea fea feature tures turcs ture of or the hite Hooker Hooker- bury i Atter Atter- Atter Atterbury bury proposal for tor operation ot or Hue Iu Mus-c Mus cle Shoals It de developed at toll today's In a s 's hearing ot or the tho th senate agriculture committee W v W Atte bury 1 president In charge o of operations ot of the th Penn Penny Pennsylvania sylvania syhania railroad and ono one on or of o the In the bid said ald ald the heap hep power available at Muscle l Shoals Shoal could virtually assure tho the practical practical production of o this metal which s is I made from an alloy of aluminum and magnesium rho Tho chief merits merit of ot 1 Ibl ht metal Atterbury said laid 1 i Is that it Is a st ong light metal could be used u edel as a a p substitute tor or orIe Ie l In cats cal and would permit the th cae catry Ine cairy-Ine ry- ry Ing of o a healer header freight and pas pas- passenger pa cargo careo Manufacture J ot or the metal Is la now prohibit e he h said beca because us of o the high cost coat of ot electrIc power which I Is needed In the tho th proc proc- proc ni ass s The Th metal metat was used u cd In Ger Ger- Germ German m roan man Z during the tho war ar ar he 00 |