. The Street railway journal . permission to thecompany in 1884 to lay cables through thestreets, and two small central stations werebuilt, in which there were six machines, eachhaving a capacity of 150 hp. The first wasstarted in 1885. After many extensions andnegotiations with the city a maximum of 28,-000 hp was contracted for in 1890. Large ac-cumulator suo-stations were installed in 1898In addition, motor-generators were set up intwo more sub-stations, which were fed by3000-volt three-phase current. As soon as this limit wasreached the company had to refuse all further orders forcurrent.
. The Street railway journal . permission to thecompany in 1884 to lay cables through thestreets, and two small central stations werebuilt, in which there were six machines, eachhaving a capacity of 150 hp. The first wasstarted in 1885. After many extensions andnegotiations with the city a maximum of 28,-000 hp was contracted for in 1890. Large ac-cumulator suo-stations were installed in 1898In addition, motor-generators were set up intwo more sub-stations, which were fed by3000-volt three-phase current. As soon as this limit wasreached the company had to refuse all further orders forcurrent. This forced the city in 1899 to make a contract 686 STREET RAILWAY JOURNAL. [Vol. XIX. No. 23. for 42,500 kw with the company and kw with thesuburban stations under the following conditions: Thecity comes into possession of the stations without payment with a more than normal increase in attendance and repaircost. For this reason horizontal steam engines have beeninstalled in the latest station. Poppet valves and super-. BLOCK SIGNAL USED ON THE BERLIN OVERHEAD AND UNDER-GROUND RAILWAY in 1915. The city is to receive 50 per cent of the net earn-ings above 6 per cent on the capital stock if the latter doesnot exceed 20,000,000 marks; but in case the capital isgreater than this, the city is to receive 50 per cent of the netprofits above 4 per cent on the capital. Naturally the work of extension was carried on asquickly as possible, as only sixteen and one-half years re-mained of independent existence. Experience in this plant has shown vertical engines area desirable type so long as they can advantageously bebuilt in the form of twin-compound machines; but therecent 3000-hp vertical engines are so large that for threeexpansions two low-pressure cylinders had to be used.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
