. Electric railway journal . ems to have been givenby the fact that the 1916 budget provides for certainexperimental work which some seem to think was con-nected with the choice of system for the St. Gothardelectrification. The fact is that the experimental equip-ment provided for was simply to permit certain inves-tigations to be made in regard to the mounting of thecontact wire, the procedure to be followed in the mainwork and the determination of certain electrical con-stants not sufficiently known. As the report points out,it was not necessary to make experiments in choosinga system, becau
. Electric railway journal . ems to have been givenby the fact that the 1916 budget provides for certainexperimental work which some seem to think was con-nected with the choice of system for the St. Gothardelectrification. The fact is that the experimental equip-ment provided for was simply to permit certain inves-tigations to be made in regard to the mounting of thecontact wire, the procedure to be followed in the mainwork and the determination of certain electrical con-stants not sufficiently known. As the report points out,it was not necessary to make experiments in choosinga system, because there has already been sufficient ex-perience on numerous railways to permit a decision onthis point, at least as far as the single-phase and three-phase systems are concerned. In the case of the direct-current system, it was not considered possible to secureinformation early enough on its value, and such infor-mation as could be obtained would not be as conclusiveas that which will be furnished by the application of this. o Schwyz Arth-Goldau [(TRANSFORMERSTATION) Electric OUTLINE MAP SHOWING LOCATION OF ST. GOTHARD LINE NOW BEING ELECTRIFIED 226 ELECTRIC RAILWAY JOURNAL [Vol. XLVIII, No. 6 system by an American company which, at the time ofthe report, was about to introduce it on a part of itssystem. The project approved by the board of directors onNov. 25, 1913, was based on the single-phase view of the fact that the Loetschberg electrificationwith single-phase had not then been crowned with thesuccess which it has since achieved, the reservationmade in the earlier report as to the type of system wasa wise one. The board of managers has, in accordancewith its promise, carefully studied all available systemsin the meantime, and has utilized competent advice asto the form and frequency of the primary electricalpower which should be used. Comments on Systems of Electric Traction The three-phase system was not considered applica-ble on account of the impo
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