. The Street railway journal . be used while the road is in opera-tion with but little interference to traffic. A Pendulum Crank-Pin Oiler (a The Nugent patent pendulum crank-pin center oiler accom-plishes its purpose without stuffing-boxes or packing of any is there a me-chanical connectionwith the floor, wall,railing or any station-ary part of the engine,as seen by reference tothe accompanying tube through whichthe oil runs from thecup to the crank-pin isfixed on the crank-pin,so that one end is al-ways central to the en-gine shaft. On thislatter end is journaledan oil-c


. The Street railway journal . be used while the road is in opera-tion with but little interference to traffic. A Pendulum Crank-Pin Oiler (a The Nugent patent pendulum crank-pin center oiler accom-plishes its purpose without stuffing-boxes or packing of any is there a me-chanical connectionwith the floor, wall,railing or any station-ary part of the engine,as seen by reference tothe accompanying tube through whichthe oil runs from thecup to the crank-pin isfixed on the crank-pin,so that one end is al-ways central to the en-gine shaft. On thislatter end is journaledan oil-cup supportweighted with apendulum bob whichkeeps the oil cup al-ways stationary a n dright side up. In case it is desired to flood the crank-pin with water or cylinderoil, as in the case of a hot bearing, the oil cup can be taken offwhile the engine is running at full speed and the nozzle of a hoseapplied. It is claimed by the manufacturer, with apparently goodfoundation, that water applied to the outside of a hot bearing con-. IMPROVED CRANK-PIN OILER tracts the brasses so that they bind and make matters worse. Bypouring water into the regular lubricating channels, the crank-pinis cooled first and there is less tendency to bind. Where a pres-sure oiling system is in use the connection can be made directlyto the pendulum to which the oil cup is normally attached. TheE. P. Allis Company, C. & G. Cooper Company, Filer & StowellCompany, Newbnrgh Ice Machinery & Engine Company, I. & Company, St. Louis Iron & Machine Works, Inger-soll-Sergeant Drill Company, Vilter Manufacturing Company,William Tod & Company, Bass Foundry & Machine Works,Fraser & Chalmers, Griffith & Wedge Company, and a great manyothers use the Nugent center oiler exclusively. The device ismade by William W. Nugent & Company, Chicago. — The Ball-Bearing Trolley Wheel The trolley wheel illustrated in the accompanying cut is de-signed to transmit the current in an efficient manner with aslittle


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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884