. Railway mechanical engineer . dowelpins screwed into theplate and fitting intoholes in the wheel hub. By the use of this de-vice the lateral may bemaintained constant andit may be taken upwith comparatively littlelabor, it being possible toadjust all the wheels infrom one to three eliminates the nec-essity of dropping thewheels and relining theface of the driving boxeswhen the lateral becomestoo great. By the use ofthis hub plate much lesslining material is re-quired on the face of thedriving box, inasmuch as the hub plate is yi in. thick on its outerflange. Excessive wear on the


. Railway mechanical engineer . dowelpins screwed into theplate and fitting intoholes in the wheel hub. By the use of this de-vice the lateral may bemaintained constant andit may be taken upwith comparatively littlelabor, it being possible toadjust all the wheels infrom one to three eliminates the nec-essity of dropping thewheels and relining theface of the driving boxeswhen the lateral becomestoo great. By the use ofthis hub plate much lesslining material is re-quired on the face of thedriving box, inasmuch as the hub plate is yi in. thick on its outerflange. Excessive wear on the driving box liner is also elimi-nated as the lateral may be properly maintained and thus preventpounding, due to the excessive lateral, which many times breaksaway the driving box liner. It has also been found unnecessaryto reline the boxes between shoppings. The plate can be appliedto old as well as new locomotives. The right for the use of theplate is sold by the Smith Locomotive Adjustable Hub Platefompany, Pittsburgh, Improved Smith AdjustableWheel Hub Plate ACORRECTION In the August number was published an article entitled Sim-ple Coupler Release Rigging, from which the name of themanufacturer of the device described was inadvertently device is the Singlelink release rigging, and is manufacturedby the National Railway Devices Company, Chicago. , 1915 RAILWAY AGE GAZKTTK, MECHANICAL EDITIO>f 487 HIGH COMPRESSION OIL ENGINE Tlic NonllicrK MaiiufactuririK Company, Milwaukee, Wis.,now builds a hiuh compression oil enpinc, in sizes of from 50 to200 hp., designed to meet a widespread demand for an en^ineas simple as a slide valve steam engine. There are many smallsteam plants burning oil, where the fuel totals 2 to 4 lb. per oil engine delivers the power on .4 to .6 lb. of oil, but never-theless is worthless to a plant owner unless it is simple and reli-able and can be operated by an ordinary mechanic. The accompanying photographs illustrate


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering