. The Street railway journal . hese joints have been castby Wilham Wharton, Jr., & Company. Thecompany has, however, a special repaircupola, shown in Fig. i, mounted on anold car truck and operated by motors. Thecupola was originally used on a wagon, butwas transferred to the electric truck aboutthree years a^o for ease in only obstacle in the way of using acupola operated over the tracks of thecompany was the danger from the hotblast from the top of the cupola injuringthe trolley wire, which necessarily had tobe right over it. This was avoided by sus-pending a sheet of asbe
. The Street railway journal . hese joints have been castby Wilham Wharton, Jr., & Company. Thecompany has, however, a special repaircupola, shown in Fig. i, mounted on anold car truck and operated by motors. Thecupola was originally used on a wagon, butwas transferred to the electric truck aboutthree years a^o for ease in only obstacle in the way of using acupola operated over the tracks of thecompany was the danger from the hotblast from the top of the cupola injuringthe trolley wire, which necessarily had tobe right over it. This was avoided by sus-pending a sheet of asbestos, 20 ins. wideand 10 ft. long, above the cupola. Thisasbestos shield is carried on a frame, andits height is made adjustable, so that it canbe lowered to allow the car to pass under alow bridge. The frame is counterbalanced,so that it can be raised and lowered easily. The cupola has a diameter inside of 22ins., and from 6000 to 7000 lbs. of iron can be melted in itbefore blowing ofT. The air is supplied by a Sturtevant.
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
