. The street railway review . Considering that the water is used for irrigation it is prob-ably the cheapest power for use in small quantities in theworld. The outlay for an 80-horse-power well is, as wasseen, about $3,000, the interest on which would be $ horse-power per annum. This, with the interest anddepreciation on the water-wheel is the only expense forprimary motive power, aside from labor. A $300 or$400 building gives the wheel and dynamo a good shelter. The repairs to water-wheel ought to be almost zero, andthe skill of the men employed for attendance does notbegin to be that
. The street railway review . Considering that the water is used for irrigation it is prob-ably the cheapest power for use in small quantities in theworld. The outlay for an 80-horse-power well is, as wasseen, about $3,000, the interest on which would be $ horse-power per annum. This, with the interest anddepreciation on the water-wheel is the only expense forprimary motive power, aside from labor. A $300 or$400 building gives the wheel and dynamo a good shelter. The repairs to water-wheel ought to be almost zero, andthe skill of the men employed for attendance does notbegin to be that required in a steam plant. NEW EXGINEERING PROBLEMS. The tendency in electrical work in the past has beensteadily toward an increase in the size of stations and acentralization of power. The water power of SouthDakota requires progress in the opposite direction. The. HASSEL & MYERS WELL, REDFIELD. 2 INCH STREAM I50 FEET. question of the future electrical engineer in South Dakotawill be, How can numerous small plants situated a dis-tance apart be utilized to best advantage? Especialhdoes this question come up in connection with electricrailway work. The use of the storage battery has beenlooked to by some in this connection as a means of bestutilizing the power for railway work and as an adjunct tothe generating stations it may prove useful. The cost ofa trolley line on a country road is not verj great andought not to be prohibitive. It is very possible, however,that for such light work as would be required at present,the storage battery on the car would be the most econ-omical solution of the question. At all events the devel-opment of South Dakotas unique power will be watchedwith interest by the country at large, and it is safe to say,be attended with profit both to electrical manufacturersand the farmers of that state. The engravings of the
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
