. The street railway review . oiler andthe engine. As the steam approaches the blowing off point theregulating valve closes, the speed of the engine is reduced, neces-sarily reducing the speed of the blower and the rotary valve whichcontrols the ram plunger that conveys the fuel into the steam falls the regulating valve opens, the speed of the engine,the blower supplying the air, and the disk valve controlling thefeed to the stoker is immediately increased, the entire operationIn-ing entirely automatic and Iwing governed by steam pressure aloneand without any attention from the oper
. The street railway review . oiler andthe engine. As the steam approaches the blowing off point theregulating valve closes, the speed of the engine is reduced, neces-sarily reducing the speed of the blower and the rotary valve whichcontrols the ram plunger that conveys the fuel into the steam falls the regulating valve opens, the speed of the engine,the blower supplying the air, and the disk valve controlling thefeed to the stoker is immediately increased, the entire operationIn-ing entirely automatic and Iwing governed by steam pressure aloneand without any attention from the operator. The quantity ofair is automatically proportioned in accordance with the quantityof fuel used. The duty of the fireman therefore consists of keeping July 20, 1903.] STREET RAILWAY REVIEW. 433 a supply of coal in the hopper and cleaning his fires. If a battery ofboilers is eqnippci!, a rotary disk valve for each stoker is placedupon the standard referred to. Stokers eqnippcd with this automatic device (the Cole) have been. ARRANGEMENT OF AUTOMATIC MECHANICAL STOKER in use about a year, but the maiuifacliirer until recently has madeno great effort to introduce the automatic attachment as the com-pany does not believe in e-xperimenling in the plants of its customers. perature is freiiueully far below zero. The cars, however, havebeen found quite equal in heat-rctaiuing qualities to those of standardconstruction. We learn that the people of these cities have from thefirst regarded these cars very favorably. The illustrations show howlittle the cars vary from the usual types of openand closed cars. The appearance is attractiveand the fact that they guarantee protection fromsummer storms and arc quickly opened or closed10 meet changes of. temperature renders themdoubly attractive to passengers. The enclosedvestibules, assist in- keeping the car warm in win-ter and do Ilot detract from coolness in summer,since the sashes may be dropped and the doors. left open. In the illustratio
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
