. The street railway review . ent where the wood panel would have been punctured. Asmight be expected, there is more reverberation from the iron thanthe wood panel, but this has been corrected by the use of a dead-ener. The steel plates used for the side and vestibule panels are01 various dimensions from 8 x 18 in. to 18 x 54 in. .•other new feature which was found on the Detroit cars last win-ter, and which has become extremely popular with both the pub-lic and conductors, is the pipe rail on the rear platform. The newwinter cars which went into service last fall have vestibules at thefront e
. The street railway review . ent where the wood panel would have been punctured. Asmight be expected, there is more reverberation from the iron thanthe wood panel, but this has been corrected by the use of a dead-ener. The steel plates used for the side and vestibule panels are01 various dimensions from 8 x 18 in. to 18 x 54 in. .•other new feature which was found on the Detroit cars last win-ter, and which has become extremely popular with both the pub-lic and conductors, is the pipe rail on the rear platform. The newwinter cars which went into service last fall have vestibules at thefront end and accelerator platforms on the rear, all cars turning onloop at terminals. As passengers are not allowed on the front plat-form, the smokers were driven to the rear, and with the usual out-side riders used to crowd the platform until it was exceedingly dif-ficult and often unpleasant for passengers to enter and leave the name of .-Xjax Plastic Bronze and tests in an Olsen friction ma-chine show the following results:. car. To remedy this, Mr. DuPont devised a dividing rail, asshown in the sketch. It is made of lyi-in. gas pipe screwed tothe platform floor with three legs. This leaves just room betweenthe rail and the car body for a passenger to pass in or out. Theconductor also makes his position between the rail and body ofthe car, but passengers are not allowed to remain there. Thisleaves ample standing space between the rail and dash for thesmokers and standing passengers, who in turn are not subjected tobeing crowded by those getting on and off. The improvement isinexpensive, but efifective. A NEW BEARING METAL. The bearings in most common use are compounds of copper, tinand lead in varying properties, there being in general, however,about 80 parts of copper and 10 each of tin and lead. From numer-ous tests of bearing metals, made principally by the PennsylvaniaR. R., it was concluded that an increase in the proportion of leadused would result in decreased friction a
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
