. Official proceedings . representing 600,000 piecesof air brake hose per year. > In this laboratory, tests are madealso of steam and hydraulic gauges, gauge glasses for boilersand lubricators, and hand lantern globes. One of the principaldivisions of this laboratory is devoted to the heat treatment ofmetals and operated in conjunction with this work is a metallo-graphic laboratory with full equipment for preparing the speci-mens for microscopic examination. Another division is devotedto the determination of the heat insulating qualities of materialsitsed [for passenger and refrigerator car
. Official proceedings . representing 600,000 piecesof air brake hose per year. > In this laboratory, tests are madealso of steam and hydraulic gauges, gauge glasses for boilersand lubricators, and hand lantern globes. One of the principaldivisions of this laboratory is devoted to the heat treatment ofmetals and operated in conjunction with this work is a metallo-graphic laboratory with full equipment for preparing the speci-mens for microscopic examination. Another division is devotedto the determination of the heat insulating qualities of materialsitsed [for passenger and refrigerator car lining and for boiler andsteani pipe lagging. Electrical Laboratory. The numbejpajf incandescent lamps required for use on theentire System is about one million per year. In order to super-vise the purchase of this material, we have equipment for lamptesting consisting of four photometers and a 1000 lamp testrack with transformers, batteries and potential regulators. Within 252 HV »■■■■>;?■» » >~ »V. •%.6-,*»SKJ ^j»vfcgy-;.VYJ?: Dh ffl -;y 253
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Keywords: ., bookauthorrailwayc, bookcentury1900, bookdecade1900, bookyear1901
