. Locomotive engineering : a practical journal of railway motive power and rolling stock . ouble with the foundations fora vertical hammer or from the vibrationscaused by it, or where head room is notavailable. I do not know that any ofthese considerations had influence in thechoice of this particular machine, but Ido know that the man who stands at thelevers shown in front of it has completeonntrnl of the machine with a good and repairing shop. Four overhead travelingcranes are in view, each electricallydriven and of 30 tons capacity. At the left of Fig. 26, which is a viewof the erecting sho
. Locomotive engineering : a practical journal of railway motive power and rolling stock . ouble with the foundations fora vertical hammer or from the vibrationscaused by it, or where head room is notavailable. I do not know that any ofthese considerations had influence in thechoice of this particular machine, but Ido know that the man who stands at thelevers shown in front of it has completeonntrnl of the machine with a good and repairing shop. Four overhead travelingcranes are in view, each electricallydriven and of 30 tons capacity. At the left of Fig. 26, which is a viewof the erecting shop, a locomotive isseen suspended from two of the electriccranes and at the right there is an im-posing array of vises. These do not,however, indicate that a proportionatelygreat amount of vise work is done on theengines, but they are placed thus closetogether throughout the length of theshop so that a man working on any por-tion of the floor will never have far to goto reach a vise in case he needs to use one. Fig. 27 is a view of one bay of the ma-chin? shop, in the left foreground of. FIG. J3. DL1LE.\ HORIZONTAL 1!.\MMKR Total wheel-base of engine and tender—43 feet. Engine equipped with combined steamand vacuum brake. Midland Railway stan-dard; two 254-incli consolidated safetyvalves; K. & M. magnesia lagging onboiler and cylinders. At the recent meeting of the AmericanSociety of Mechanical Engineers at Wash-ington, Mr. Charles J. Porter, the cele-brated mechanical engineer, gave Mr. Forney the credit of having introducedthe Allen valve into this country. In aletter written to the Railroad Gazette says that all he did to introducethe valve was to write in its favor, andthat Mr. James N. Boon, the well-knownmaster mechanic, was the first to equip alocomotive with that form of valve. clear view of his work, and that when thetwo heavy hammers meet in the center,one each side of the work and each oneresisting and absorbing the force of theequal blow deliv
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
