. Electric railway journal . WIDENING CABLE SLOT IN SAN FRANCISCO WITH OXY-ACETY-LENE FLAME July 15, 1916] ELECTRIC RAILWAY JOURNAL 109. CUTTING RAILS IN IRREGULAR SHAPES WITH OXY-ACETYLENE FLAME one-half what the work would have cost if done in theusual way with hacksaws. When breaking in an operator at first, we procuredthe assistance of an expert employed by the sellers ofthe apparatus. It was necessary to call upon him re-peatedly for the first six or eight months, as consider-able trouble was experienced with the apparatus suchas leaks, dirt in torch and valves, torch getting out oforder,
. Electric railway journal . WIDENING CABLE SLOT IN SAN FRANCISCO WITH OXY-ACETY-LENE FLAME July 15, 1916] ELECTRIC RAILWAY JOURNAL 109. CUTTING RAILS IN IRREGULAR SHAPES WITH OXY-ACETYLENE FLAME one-half what the work would have cost if done in theusual way with hacksaws. When breaking in an operator at first, we procuredthe assistance of an expert employed by the sellers ofthe apparatus. It was necessary to call upon him re-peatedly for the first six or eight months, as consider-able trouble was experienced with the apparatus suchas leaks, dirt in torch and valves, torch getting out oforder, etc. At times, the trouble was a serious delayto the work. Now when a new operator is being usedin the welding work he is kept continually in close touchwith the foreman and expert, and gradually obtains theknowledge necessary to eliminate these difficulties anddelays. Reinforcing Tubular Poles Internally BY S. L. FOSTER Chief Electrician United Railroads of San Francisco Of the various types of poles, tubular steel ones aregenerally admitted to be preferable for side-pole trolleywork in urban districts. They are equally strong i
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