. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . d out to the inter-ests that made these works so famous. HILL-CLIMBING LOCOMOTIVES. About the time that Septimus Norrisgot out his ten-wheeler an agitationarose among engineers and railway menfor some special design of locomotiveto be used in hill climbing. As early as1830, Charles Vignoles, a noted Frenchengineer, who gets the credit in Europeof having designed the T-rail, andCapt. John Ericsson worked for sometime together on a plan for a middlerail to be used on steep inclines. Theyachieve
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . d out to the inter-ests that made these works so famous. HILL-CLIMBING LOCOMOTIVES. About the time that Septimus Norrisgot out his ten-wheeler an agitationarose among engineers and railway menfor some special design of locomotiveto be used in hill climbing. As early as1830, Charles Vignoles, a noted Frenchengineer, who gets the credit in Europeof having designed the T-rail, andCapt. John Ericsson worked for sometime together on a plan for a middlerail to be used on steep inclines. Theyachieved no practical results, but in1847 George Escol Sellers, who hadhelped to build some of the first en-gines used by the Philadelphia & Co-lumbia Railroad, put the idea of a mid-dle rail to practical use by designing aform of locomotive with a pair ofwheels on a vertical axis whichgripped the middle rail and increasedthe adhesion. He had four eight-wheelengines built for the Panama Railroadafter this design which is illustratedin Fig. 75. It will be seen thatthere are two pairs of cylinders, one. WINANS CAMEL, BUILT 1S56, REBUILT OLD NUMBER 80. thor of several technical books thatwere very popular with the early reading
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