. The Street railway journal . LAMP IN REC ESS OF CONCRETE PIT end of this car is then jacked up to raise the wheels of thtdisabled axle clear of the track, the truck is assembled, isplaced under the platform to take the weight, and the car isthen returned to the shop under its own power and withoutinjury to the wheels. PIT LIGHTSTn the construction of concrete pits in the shops, CAR SIGNAL LAMP WITH REVOLVING COLORED LENSES particular attention was given to the question of lightingthem. The lights were placed at about lo-ft. intervals inrecesses in the concrete immediately under th
. The Street railway journal . LAMP IN REC ESS OF CONCRETE PIT end of this car is then jacked up to raise the wheels of thtdisabled axle clear of the track, the truck is assembled, isplaced under the platform to take the weight, and the car isthen returned to the shop under its own power and withoutinjury to the wheels. PIT LIGHTSTn the construction of concrete pits in the shops, CAR SIGNAL LAMP WITH REVOLVING COLORED LENSES particular attention was given to the question of lightingthem. The lights were placed at about lo-ft. intervals inrecesses in the concrete immediately under the stringers supporting the rails. The bottom of each recess was slantedin such a manner that the light falling upon it is reflected upagainst the truck of a car over the pit. In laying the con-crete circular loom, ducts were embedded in it for the wiresbetween the lights. CAR SIGNAL LAMPSTo enable passengers to distinguish the cars of differentlines at night, in addition to illuminated signs, colored sig-nals are used. The signal lamp contains four bulls-eyes ofdifferent colors and is so placed over an electric light thatit may be turned when it is desired to show different coloredlights. Three colors, red, green and white, distinguishthe cars of the three different lines in the city, while thefourth color, yellow, is used for special cars. Mr. Hardinhas applied for a patent on the
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
