A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Spring-derail for drawbridge protection
Simple arrangement installed on single-track branch line of Elgin, Joliet and Eastern near Divine, Ill, involves minimum of materials and permits elimination of two stops for each train; derail trailed through like spring switch; rail locks mechanically operated with girder switch stands for drawbridge protection.
Spring-derail for drawbridge protection
Simple arrangement installed on single-track branch line of Elgin, Joliet and Eastern near Divine, Ill, involves minimum of materials and permits elimination of two stops for each train; derail trailed through like spring switch; rail locks mechanically operated with girder switch stands for drawbridge protection.
Spring-derail for drawbridge protection
Ry Signaling
Railway Signaling ; 27
1934
Article (Journal)
English
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