. Scientific American Volume 92 Number 04 (January 1905) . -mos of the station. These turbines are ofthe type which has been lately broughtout by the Swiss firm, Brown, Boveri &Co., and they are now coming into usein different countries, especially for cen-tral station use. In the present plant theturbines are designed to use superheatedsteam at 12 atmospheres pressure, heatedto 350 deg. C. The tests show that theturbines consume 15 pounds of steam perkilowatt and per hour, at most. The tur-bines develop 7,000 horse-power each andare direct-connected with an alternating-current generator mount
. Scientific American Volume 92 Number 04 (January 1905) . -mos of the station. These turbines are ofthe type which has been lately broughtout by the Swiss firm, Brown, Boveri &Co., and they are now coming into usein different countries, especially for cen-tral station use. In the present plant theturbines are designed to use superheatedsteam at 12 atmospheres pressure, heatedto 350 deg. C. The tests show that theturbines consume 15 pounds of steam perkilowatt and per hour, at most. The tur-bines develop 7,000 horse-power each andare direct-connected with an alternating-current generator mounted on the samebase. The speed is 750 ? revolutions perminute. Each unit thus formed is pro-vided with a surface condenser. The cir-culation and air-pumps for the latter areoperated by electric motors. Lubricationof the working parts is carried out Try anoil pump. The alternators are all of thesame pattern and deliver three-phase cur-rent at 5,000 volts and 25 cycles. At the last general meeting of the Afri- January 28, 1905. Scientific American. 8j. SIMPLICITY, DURABILITYand ACCURACYare features of the Jones Speedo-meter—the only practical and me-chanically perfect Speed recordingdevice in use copy of the Speedometer, a littlebulletin on Speed topics, will besent free on application. JONES SPEEDOMETER 120 West 32d Street, New York
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