. Electric railway review . Track and Equipment—Views of Poor Track. shape of the fork is such as to. prevent its being caught infrogs and switches. The pantagraph form of trolley has many commendablefeatures for catenary overhead construction, which will un-doubtedly come into general use on interurban roads. Theresults so far obtained in the use of this form of trolley willnot justify us in making a complete recommendation for itsadoption until further developed. Under special conditionswhere an ordinary trolley is extremely inconvenient its use iswarranted, but it is believed that substanti
. Electric railway review . Track and Equipment—Views of Poor Track. shape of the fork is such as to. prevent its being caught infrogs and switches. The pantagraph form of trolley has many commendablefeatures for catenary overhead construction, which will un-doubtedly come into general use on interurban roads. Theresults so far obtained in the use of this form of trolley willnot justify us in making a complete recommendation for itsadoption until further developed. Under special conditionswhere an ordinary trolley is extremely inconvenient its use iswarranted, but it is believed that substantial improvementscan be made in the pantagraph type which will make it verysatisfactory, and tests and experiments are now being car-ried on. Single Phase and High Tension. In this review no reference has been made to the moreradical departures from standard practice which are beinggiven much attention, i. e., the use of single-phase and high-tension direct-current motors. The reasons for using eithersingle-phase or direct-
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
