. The Street railway journal . ~ 0,*—ii i-0,9- 0 9 J samq Sajmoaai _Jl/l 001*00. October 12, 1907.] STREET RAILWAY JOURNAL. 653 and switches is mounted upon eighteen chestnut poles; anda suitable elevated platform, railed off and fitted with agate to keep out trespassers, affords means of access to theapparatus when attention is required. The three high-tension conductors enter the sub-stationthrough glass discs held in 36-in. tile, set in the upperportion of the rear wall of the sub-station. Within the sub-station, the wires first pass through three60,000-volt stick-type circuit breaker


. The Street railway journal . ~ 0,*—ii i-0,9- 0 9 J samq Sajmoaai _Jl/l 001*00. October 12, 1907.] STREET RAILWAY JOURNAL. 653 and switches is mounted upon eighteen chestnut poles; anda suitable elevated platform, railed off and fitted with agate to keep out trespassers, affords means of access to theapparatus when attention is required. The three high-tension conductors enter the sub-stationthrough glass discs held in 36-in. tile, set in the upperportion of the rear wall of the sub-station. Within the sub-station, the wires first pass through three60,000-volt stick-type circuit breakers, mounted directlyinside of the rear wall. Thence, over bare copper conduc-tors to the three oil-insulated choke coils, situated on themezzanine floor, thence to three oil-insulated series trans-formers, also on the mezzanine floor, from which connec-tions are taken to the power measuring instruments in theoperating room. The main connections finally terminateupon a set of copper bus-bars in the transformer room,which are run upon porcelain insulators mounted onwooden cross-arms a


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884