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Show j..r ..". J r 1 . r-iir i v'- - - 5- - v r s 0 1 V ir 1 . . . A model of Sir Isaac Newton's km M&v Newton, steam engine. But designed a when America built its first crude railroad more than a century later, the cars were drawn by horse. that the steam . compartments where they were smothered in soot. Steam locomotives rolled west of the Mississippi in 1852. About this time the Government began selling land to the railroads at prices to encourage the building of new lines. And by 1869 America was crossed by one continuous ribbon of steel. Coal took theplace of wood. Refrigerated cars began hauling perishables. Then,. came the air brake, the Pullman, the dining car. led 1830 'It carriage-lik- e gravity, It wasn't until c7 John Stevens' experimental model America's first. me oil mathematician who discovered THE English also laws of Sir Isaac jet-propel- i Two ways trains wero powered before steam arrived. engine. jct-propel- lcd ! v rock-botto- m locomo- tive was used in regular service. The early steam engines were cumbersome affairs with skyscraper smokestacks and head-hig- h wheels. The plucky passengers rode in open, mKm&irt&m''' mtiamimr,iSt TlCx.Mtm smi&S&i' Tho crack "Pioneer" pulled first train from Chicago. in ,1032, the D.&O.'s "Atlantic" went into service. By the turn of the century, passenger trains could hit 100 miles an hour. But that was slow stuff for the diesel locomotives which were developed after World War I. Today our railroads are preparing for the days ahead, buying billions of dollars worth of such heavy equipment as ditch reamers, tie yankers and ballast cleaners. Another innovation is ribbon rail, welded and laid in continuous strips. It will cut maintenance costs, but end forever that nostalgic click. Old 999 (beside streamliner) hit 112 m.p.h. irtlC93. '1 -- S; SI if il t, 0 FAf.'JIY VItKlY .lAOAZirZS CiCtV.ZEl .27, J9S3 ii J |