. The street railway review . into a stone wall, fatally injuring one passenger. \i Reading, Pa., a young man riding on the front step of acrowded car was caught by a car passing in the opposite directionand lulled between the two cars their entire length. He lived onlya few minutes. THE NATIONAL TROLLEY. The National Trolley Manufacturing Co. is the name of a newcorporation recently organized at Rochester, N. Y., for the pur-pose of placing on the market roller bearing trolley wheels, bearingsfor ear axles on both steam and street railways, and other special-lie-;. I he National trolley wheel
. The street railway review . into a stone wall, fatally injuring one passenger. \i Reading, Pa., a young man riding on the front step of acrowded car was caught by a car passing in the opposite directionand lulled between the two cars their entire length. He lived onlya few minutes. THE NATIONAL TROLLEY. The National Trolley Manufacturing Co. is the name of a newcorporation recently organized at Rochester, N. Y., for the pur-pose of placing on the market roller bearing trolley wheels, bearingsfor ear axles on both steam and street railways, and other special-lie-;. I he National trolley wheel differs from the ordinary types inI particulars. Instead of being the ordinary 4-in. or 4 it is 5-in. and 5j-in., giving a larger contact surface, while1I1. weight is but slightly more than the ordinary wheel, becauseof the open construction as shown in the accompanying extra weight is also reduced by the use of silicon bronze ma-terial well known for its rigidity and strength. The bearing of the. NATIONAL TROLLEY WHEEL. wheel, wiii. 1 pha ..1 .. thi main feature, is entirely inde it in its construction, being a roller bearing and of such me m that each ingli roller must be worn almost to a thread befon tin bearing gives out. Each roller n in a eparate poi 1 11 . 1 hung ..11 .il pivol 01 1 li 1 hi bearing is so plai. -I that .1 1 !- 1 w h the axle on one Bide and p ,,,, il., . ..1 wheel or hub which is incased within the 1 in lung is of brass ami is pn d the main bub of the whi. 1. bo ..ining a pan ..f it. Back of lb,- bushing there1 :, pace in hub foi an ..il box which answei two purpo • lubrication and , 1 01- tin bu thi el ■! cum 11 1 II I- .0 ing axle, which > hollow allow lation ..1 ait which tends to keep . 11,, , .... i,, ,11,. ..11 high pi. .1 ! 111 h h in the I ... ids in one it i repot ted thai had run foi mill ivhi n to hi in perfect 1 ondition, the only wear apthi surface of thi wh
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
