. Book of the Royal blue . MiilNT KOVAl. IASSKNiiEK STATION. KALTIMOUE, SHOWING ELECTKIC MOTOKS AND SWITCH TOWER. THE ELECTRICAL THIRD RAIL SYSTEM ON B. &■ 0. R. A VIEW OF THE MANNER IN WHICH THE THIKU RAILS ARE PRoTEOTKU AND UUARUELI IN MOUNT ROYAL PASSENUER STATION. BALTIMORE. THE RLACK LINES IN CENTER ARE THE SLOTS THROUGH WHICH THE tc IN DUCTINO SHOE OBTAINS CONTACT WITH THE RAIL. into sections, each of which was insulatedfrom the one next adjoining, and controlledby the Murphy safety switch in such a waythat the current would be on this sectiononly when the locomotive w
. Book of the Royal blue . MiilNT KOVAl. IASSKNiiEK STATION. KALTIMOUE, SHOWING ELECTKIC MOTOKS AND SWITCH TOWER. THE ELECTRICAL THIRD RAIL SYSTEM ON B. &■ 0. R. A VIEW OF THE MANNER IN WHICH THE THIKU RAILS ARE PRoTEOTKU AND UUARUELI IN MOUNT ROYAL PASSENUER STATION. BALTIMORE. THE RLACK LINES IN CENTER ARE THE SLOTS THROUGH WHICH THE tc IN DUCTINO SHOE OBTAINS CONTACT WITH THE RAIL. into sections, each of which was insulatedfrom the one next adjoining, and controlledby the Murphy safety switch in such a waythat the current would be on this sectiononly when the locomotive was passing overthat particular section. In the same way, allrails adjacent to crossings of foreign roads,special work and in the yard, the third railwas cut up in sections and protected bysafety switches. The question very naturally is asked bythe casual observer: Why would a systemthat has worked so well as the overheadunquestionably has, be replaced byanother? There are several very goodreasons for this, among which may beenumerated the following: The initial cost of the third rail wasonly about twenty-five per cent of the over-head; it is easily adapted to
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Keywords: ., bookauthorbaltimoreandohiorailr, bookcentury1800, bookdecade1890
