. Electric railway journal . tion begins. It is said to be a good insulatorelectrically, although at the same time a good conductor ofheat. Therefore, a coil wrapped with it, while thoroughlyinsulated, is not blanketed so as to make it retain heat, as isthe case with most asbestos coverings. This material is madein any width and in thicknesses between 10 mils and 25 10-mil tape requires 2500 volts to puncture it, and 5000volts is required to break down the 20-mil tap. The flexibilityof this tape makes it suitable for forming around the cornersand the terminals of coils. These qualitie
. Electric railway journal . tion begins. It is said to be a good insulatorelectrically, although at the same time a good conductor ofheat. Therefore, a coil wrapped with it, while thoroughlyinsulated, is not blanketed so as to make it retain heat, as isthe case with most asbestos coverings. This material is madein any width and in thicknesses between 10 mils and 25 10-mil tape requires 2500 volts to puncture it, and 5000volts is required to break down the 20-mil tap. The flexibilityof this tape makes it suitable for forming around the cornersand the terminals of coils. These qualities make it particularlyadapted for railway motor and controller work where hightemperatures and severe conditions are to be met. The flexi-bility is practically permanent. Delta sheeting is also manu-factured. This is a material 8J/2 in. wide, but identical withDeltatape in properties, texture and finish. It is made inrolls of any convenient length and is intended for use wherelarge pieces of insulating material are June 24, 1911.] ELECTRIC RAILWAY JOURNAL. 1123 News of Electric Railways Commission to Appeal from Finding in Regard to ThirdAvenue Reorganization By a vote of 4 to 1 the Public Service Commission of theFirst District of New York on June 16, 1911, determined toappeal from the decision of the Appellate Division overrul-ing the finding of the commission in the Third Avenue Rail-road reorganization. The commission had unanimously re-fused to approve the plan for the reorganization of theThird Avenue on the ground that neither theearnings nor the property values of the system, as demon-strated by the long series of hearings on the plan itself,justified the issuance of the volume of securities whichthe reorganization committee proposed to issue, and thatthe commission was as clearly charged under the law withpreventing the issuance of securities in excess of value inrailway reorganizations as in original promotions. The re-organizers, on the other han
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