Chesapeake and Ohio develops system of shop transportation using both electric and gasoline equipment at Russell, Ky., and Huntington, W. Va.; color-light signals employed in transportation systems.
Trucks and tractors show economies in material handling
Ry. Elec. Engr
Railway Electrical Engineer ; 22 , n 12
1931
14 Figs.
Aufsatz (Zeitschrift)
Englisch
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