Page:The Steam Turbine.djvu/35

 It was proposed by Pilbrow in 1842, and first brought into successful operation by Curtis in 1896, Some consideration should be given to it as involving several characteristic points of difference from what has been said about the compound reaction type. Curtis in the first place used the de Laval divergent

Fig. 27. Diagram of Curtis Blades and Nozzles. nozzle, and he also used compounding to the limited extent of only 5 to 9 stages, as compared with 50 to 100 in the compound type. With these provisos the same principles in the abstract as regards velocity ratio now apply, and the steam issuing from the jets rebounds again and again between