. Factory and industrial management. weighing 14 tons and seating 46 persons. Perhaps the most remarkable of the Swiss railways is the Jungfrauline which runs for i 1/4 miles along the base of the mountain and thenascends by means of a tunnel, 61/3 miles long, to an altitude of 13,435feet. After leaving the terminal station, the passengers are raised afurther 240 feet by an elevator. The grade is 25 per cent, along theentire road, wath the exception of a mile section which has a 67per cent, grade. The rolling stock consists of live locomotives, ten pas-senger cars, and two freight cars. Th
. Factory and industrial management. weighing 14 tons and seating 46 persons. Perhaps the most remarkable of the Swiss railways is the Jungfrauline which runs for i 1/4 miles along the base of the mountain and thenascends by means of a tunnel, 61/3 miles long, to an altitude of 13,435feet. After leaving the terminal station, the passengers are raised afurther 240 feet by an elevator. The grade is 25 per cent, along theentire road, wath the exception of a mile section which has a 67per cent, grade. The rolling stock consists of live locomotives, ten pas-senger cars, and two freight cars. The locomotives in reality formthe rear truck of the cars, but can only be used without the independent brakes insure safety during the descent. The loco-motives are equipped with two three-phase motors, having a normalcapacity of 25 horse power each, and the speed is 4y^. miles. The for-ward motor is coupled to a continuous-current dynamo, which serves toexcite both motors during the descent, thus turning them into oren-. THREE-PHASE LOCOMOTIVE, BURGDORF-THUX ELECTRIC RAILWAY. erators. There are but few days when the summit presents a clearview of the surrounding territory and the traffic is, therefore, concen-trated in a very short time, when the rush is very great, and at suchtimes eight trains per day operate. The Berlin-Zossen high-speed electric-railway experiments are al-ready so well known to the engineering public that I shall give hereonly a few of the most pertinent facts. These experiments were car-ried on by a company known as the Studiengesellschaft fur ElektrischeSchnellbahnen over a single-track standard-gauge road, which was laid 886 THE ENGINEERING MAGAZINE. with 75-pound T-rails upon wooden cross ties and ballasted with cutstone. The total length of the line is miles and the minimumradius of curves 3,300 feet, the steepest grade being per cent. The
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