. Elektrische Eisenbahn Zeitschrift . Washington & Old Dominion Railway – Umspannwerk an der Blue-mont Junction hatte keinen Platz für verdeckte Verklebungen und weil das Management vorschlug, diese Schienen allmählich durch schwerere zu ersetzen. Diese Strecke wurde daher mit der von der American Steel & Wire Company installierten winterminalen Anleihe verklebt. Auf dem neuen Cut-off, wo Standard-Schienen und Spleiße mit 70 lb verwendet wurden, wurde die pro-tected Art von komprimierter Klemmenbindung eingesetzt. UMSPANNWERKE Es gibt vier neue permanente Umspannwerke, die sich im Nachhinein an der Kreuzung Bluemont, Herndon, Leesburg und Roun befinden

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. Electric railway journal . Washington & Old Dominion Railway—Substation at Blue-mont Junction forded no room for concealed bonding and because themanagement proposed to replace these rails gradually withheavier ones. This track was therefore bonded with thetwin-terminal type of bond, which was installed by theAmerican Steel & Wire Company. On the new cut-off, where standard 70-lb. rails and splices were used, the pro-tected type of compressed terminal bond was employed. SUBSTATIONS There are four new permanent substations located, re-spectively, at Bluemont junction, Herndon, Leesburg andRound Hill. There is also a portable substation, intended tobe used for the most part at Vienna, between BluemontJunction and Herndon, at all times except when neededelsewhere as a relay. The substation buildings are of uniform pattern, built of. Washington & Old Dominion Railway—Interior of Pas-senger Motor Car brick, with concrete floor structure and roof of thin rein-forced concrete slabs laid on steel I-beams and covered withEhret four-ply felt, tar and slag roofing. The windowframes are of the steel Fenestra type. The buildings areeach designed to contain one 300-kw rotary converter, withtransformers, 30, 000-volt oil-switch structure and switch-board. The high-tension choke coils are hung on insulatorssupported from the ceiling and the lightning arresters, ofthe aluminum type, are on the roof. The buildings are sodesigned that they can be readily enlarged when it becomesnecessary to increase their capacity. The Bluemont Junction substation is shown in an illus-tration on this page. ROLLING STOCK The new rolling stock of the company, purchased particu-larly for use on the Bluemont division, consists of ten pas-senger motor cars, six passenger trailers and two freightmotor cars. Of the first ten cars mentioned six are

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