Engineering problems in electric elevated and suburban railroading (1899)
Sprague, Frank J. · s.n., · leaf 24
he increased when necessary. Some addition to the battery has recently been madebecause of the increased service demands. The batteries are placed in multiple with the line with-out any booster. Their operation is entirely automatic,each one acting both as a reservoir for energy and a regu-lator of… … DETAILS OF PLATFORM, CAB AND MASTER CONTROLLING MECHANISM 5PRAGUE MULTIPLE long distance transmission with local sub-stations for rail-way operation over considerable distances, was made on theSouth Side for the first time in elevated railroad practice.The high schedule required, the number of…
Local transit -- Design and construction -- 19th century · Electrical engineering -- Safety measures -- 19th century
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