. Electric railway journal . Reheater for Speed-Roll Insulator insulation has been inserted a well-distributed gas flame isapplied until the insulating compound becomes softened. Thenby means of a screw hook at the end of the shaft a collar ofthe same section as the insulating material is driven againstthis material to force it into place while all parts of the speedroll are held in their correct positions by the cast-iron frame-work. This reinsulation of a speed roll requires about onehour. It has been done on more than one-half of the con-trollers for the 328 cars now being rebuilt in these
. Electric railway journal . Reheater for Speed-Roll Insulator insulation has been inserted a well-distributed gas flame isapplied until the insulating compound becomes softened. Thenby means of a screw hook at the end of the shaft a collar ofthe same section as the insulating material is driven againstthis material to force it into place while all parts of the speedroll are held in their correct positions by the cast-iron frame-work. This reinsulation of a speed roll requires about onehour. It has been done on more than one-half of the con-trollers for the 328 cars now being rebuilt in these shops. A proposal has been made to connect the tramway systemsof Johannesburg and Pretoria, South Junk 10, 1911. j ELECTRIC RAILWAY JOURNAL. 1029 NEW LIGHTING TRANSFORMERS
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