. Electric railway journal . tter in the spring of 1919and all agreed to co-operate in a general study of thesituation. An investigation, started in September ofthat year, was carried out under the direction of anengineer of the United States Bureau of was made possible through the hearty co-operation of F. C. Chambers and K. J. Keith of therailway company, H. V. Smith and G. Ireland of theIowa Telephone Company, A. T. Luce of the DesMoines Water Company, H. R. Sterrett of the DesMoines Gas Company, J. M. Pilmer of the Des MoinesElectric Company and F. R. Porter of the WesternUn
. Electric railway journal . tter in the spring of 1919and all agreed to co-operate in a general study of thesituation. An investigation, started in September ofthat year, was carried out under the direction of anengineer of the United States Bureau of was made possible through the hearty co-operation of F. C. Chambers and K. J. Keith of therailway company, H. V. Smith and G. Ireland of theIowa Telephone Company, A. T. Luce of the DesMoines Water Company, H. R. Sterrett of the DesMoines Gas Company, J. M. Pilmer of the Des MoinesElectric Company and F. R. Porter of the WesternUnion Telegraph Company. The necessary technicaland field help was furnished by the first-mentionedthree companies. Practically no data are available showing electrolysisconditions prior to the installation of the automaticsubstations. From all accounts, however, very highover-all potentials existed on the track system as wellas high potential differences between tracks and previously made were understood to. Woilnuf
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