. Railway mechanical engineer . U ij - - A Simple Device for Cutting Steam or Air Gage Glasses on the table plate, an adjustment screw forces the rubber-lined clamp down solidly against the glass. The crank arm,which is above the adjustment screw, is revolved and withit the table plate, glass and clamp. In the top arm of the frame is a slot running cutter frame works in this slot and has a clamp that the frame can be moved back and forth to secure anvdiameter glass desired. PATCH APPLIED BY ELECTRIC WELDING BY W. J. GILLESPIEBoiler Inspector, Pittshnrgh & Lake Erie,
. Railway mechanical engineer . U ij - - A Simple Device for Cutting Steam or Air Gage Glasses on the table plate, an adjustment screw forces the rubber-lined clamp down solidly against the glass. The crank arm,which is above the adjustment screw, is revolved and withit the table plate, glass and clamp. In the top arm of the frame is a slot running cutter frame works in this slot and has a clamp that the frame can be moved back and forth to secure anvdiameter glass desired. PATCH APPLIED BY ELECTRIC WELDING BY W. J. GILLESPIEBoiler Inspector, Pittshnrgh & Lake Erie, McKees Rocks, Pa. The patch shown in the illustration was made necessaryon account of a vertical fracture that developed below thecenter arch tube, extending down to the second line of stay-bolts as shown by the white line. A section of the sheet em-bracing the arch tube opening was removed and a patch. Patch Applied to Back Tube Sheet by Electric Welding marked off from it. The arch tube and staybolt holes weredrilled, the patch set up and the staybolts applied. Theseam was then filled in by electric welding and the arch tubeapplied. This work was done in January, 1915, and thelocomotive has since been in continuous service until July,1916, when it was shopped for renewal of the firebox. Boiler Tubes and Scale.—Eminent authorities agreethat a layer of scale one-tenth of an inch thick, and a steelboiler plate ten inches thick, offer exactly the same resistanceto the passage of heat.—Railway and Locomotive Engi-neering. Light Machine Oil.—To make a first-class oil for lightmachinery, take a bottle about half full of pure olive oil,place in it some thin strips of sheet lead, and expose it tothe suns rays for a month, then pour off the clear oil.—Pemberthy Engineer and Fireman. Babbitt In motors for very heavy duty thependulum seems to lie swinging back toward babbitt
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
