. Electric railway journal . —i c— \ 5 ) > // // c t f— •* if —i / 2 3 4 5 6 7 8 9 0 // /2 /3 /-t /5~ S6 /75rsrr/cws NEW YORK MUNICIPAL CAR—FIG. 8—CHART SHOWINGDISTRIBUTION WITH LIGHTS ON GRAB RAILS ( SEE FIG. 18) system was high, installation costs—on account of thesingle row of large units—were low, and maintenancewas good, the smooth surface of the reflectors facilitat-ing rapid cleaning. The general appearance in the carwas pleasing (Fig. 15) and the illumination good, aver-aging foot-candles at normal and at 85 per centvoltage, with an energy consumption of watts per The c
. Electric railway journal . —i c— \ 5 ) > // // c t f— •* if —i / 2 3 4 5 6 7 8 9 0 // /2 /3 /-t /5~ S6 /75rsrr/cws NEW YORK MUNICIPAL CAR—FIG. 8—CHART SHOWINGDISTRIBUTION WITH LIGHTS ON GRAB RAILS ( SEE FIG. 18) system was high, installation costs—on account of thesingle row of large units—were low, and maintenancewas good, the smooth surface of the reflectors facilitat-ing rapid cleaning. The general appearance in the carwas pleasing (Fig. 15) and the illumination good, aver-aging foot-candles at normal and at 85 per centvoltage, with an energy consumption of watts per The change of reflectors raised the average foot-candleintensity to at normal and at 85 per cent effective lumens per watt were increased to andthe utilization efficiency to per cent. Maintenancewould be slightly higher, due to cleaning the prismaticglass. There was also a little more glare, though not anobjectionable amount. 616 ELECTRIC RAILWAY JOURNAL [Vol. XLV, No. 13.
Size: 2361px × 1058px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
