Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 410
siderably, as, for instance, there are plants in whichduring certain hours of the day a 300 H. P. machinemay be taxed to its utmost capacity and during certain DE LAVAL STEAM TURBINE 899 … 400 ENGINEERING other hours the load on the same machine may drop to50 H. P. In such cases the number of nozzles in actionmay be reduced by closing the shut-off valves until the required volume of steam is admitted to the wheel.This adds to the economy of the machine. After pass-ing through the…