. Mining and Scientific Press . essivepolicy. Since that time the improvements in design hasbeen remarkable; today the turbine builders of the Unitedbad the world. No other continent has developed itswatt i power on so large a scale as North America, and theturhini toi these mammoth plants are of a size and refine-ment ot design unparalleled In Furope or elsewhere. Thor-ough made at Holyoke, Massachusetts, which atonly official testing flume in the United States;and thi i been an Important factor In the development of the Vi a turbine to us present state of high effl- clency. in this respect t
. Mining and Scientific Press . essivepolicy. Since that time the improvements in design hasbeen remarkable; today the turbine builders of the Unitedbad the world. No other continent has developed itswatt i power on so large a scale as North America, and theturhini toi these mammoth plants are of a size and refine-ment ot design unparalleled In Furope or elsewhere. Thor-ough made at Holyoke, Massachusetts, which atonly official testing flume in the United States;and thi i been an Important factor In the development of the Vi a turbine to us present state of high effl- clency. in this respect the Wellman-Seaver-Morgan <. hasbeen a leader. This company was first to obtain an efflni 90 at Holyoke (test No. 1799, ! i; likewise the company was tirst to obtain an No 2497 I since that time rumbave been developed to meet practically all ordinary condi- 1 . or over whV n tested in thei Qdei ions and with , .suits in the field show efficiencies as high D mber 3, 1921 MINING AND SCIENTIFIC PRESS T. A. K1CKARV. .... / d,(..r Hill milium II mm IIUUIUN I MMMm <m I I •• ,mi< problems of the mininir indu
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