. The street railway review . d be correct, but this formula also fails to givecomparable results if there is an appreciable time interval betweenthe signal and the application of the brakes. Substituting our as-su:!icd values in the fornnda WS-f-D we get:Spied. Car Empty. Car Loaded. 5 10 15 That is, WS—D favors tests at high speed where WS-=-D favorslow speeds. Uotli favor loaded cars as against empty onei. CAST STEEL BODY BOLSTER. The accompanying illustration shows the cast steel body bolsterdesigned for electric street cars by the Shick
. The street railway review . d be correct, but this formula also fails to givecomparable results if there is an appreciable time interval betweenthe signal and the application of the brakes. Substituting our as-su:!icd values in the fornnda WS-f-D we get:Spied. Car Empty. Car Loaded. 5 10 15 That is, WS—D favors tests at high speed where WS-=-D favorslow speeds. Uotli favor loaded cars as against empty onei. CAST STEEL BODY BOLSTER. The accompanying illustration shows the cast steel body bolsterdesigned for electric street cars by the Shickic, Harrison & HowardIron Co., of St. Louis. The company has recently furnished someof these for cars for the Union Depot R. R., of St. Louis, and 100for cars now building by the Stephenson Co. One of the problems in designing street cars that arc to be car-ried on double trucks is to keep the door of the car as low as pos-sible and at the same lime allow clearance for the trucks on curves. na^TopViei^l \\peifeoitomritw. 2^ CAST STEKL liODY HOLSTER FOR STREET CARS. This has been accomplished \>y dropping the bolster where it re-ceives the sills and raising it over the wheels; such a bolster iseasily made in cast steel when a similar shape would not be at allpracticable if the bolster were built up. The bolster consists of asingle casting only and therefore no parts can wear or rattle loose. THE GRAF FENDER. Mr. F. J. Graf, of New York, has recently perfected a novel andeffective fender for cars, motor carriages and other vehicles, whichis intended to embody features of construction designed to meetevery possible requirement, and which has already been laid beforethe attention of the street railways. The device is covered byletters patent in the United States, Canada, Great Britain, France,Germany, Belgium. Austria and Hungary. This fender has the advantage of being automatic in its operation,and, should the niotorman fail to apply a releasing machanism bywhich it is projec
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
