. Electric railway journal . earing specialwork. The intakes above the scrapers cover the headand groove of the rail so closely that while the suctionis powerful enough to take up stones as large as amans fist it will not disturb loose pavement motor exhauster is operated at 500 volts witha range in speed of 1150 to 1680 , corre-sponding to outputs of 81 2 hp to 16% hp. The capacityof the dirt tank is about 32 Vo cu. yd., which is suffi-cient for a trip of 6 to 6V2 miles. A sprinkler tank of 5 cu. yd. capacity is also pro-vided to prevent dust. The degree of spri
. Electric railway journal . earing specialwork. The intakes above the scrapers cover the headand groove of the rail so closely that while the suctionis powerful enough to take up stones as large as amans fist it will not disturb loose pavement motor exhauster is operated at 500 volts witha range in speed of 1150 to 1680 , corre-sponding to outputs of 81 2 hp to 16% hp. The capacityof the dirt tank is about 32 Vo cu. yd., which is suffi-cient for a trip of 6 to 6V2 miles. A sprinkler tank of 5 cu. yd. capacity is also pro-vided to prevent dust. The degree of sprinkling isunder the control of the motorman. Measuring devicesshow the amount of water in the tank and the vacuumin the suction system. An electric alarm advises themotorman when the debris tank is full. The tractionequipment consists of two 38-hp Oerlikon motors, twocontrollers with electric braking features, hand brakesand electro-magnetic track brakes. The car carries thedirt some distance out of town, whereas formerly the. Side of Rail-Cleaning Car Removed to Show the Mechanism,the Refuse Tank, etc. material was piled up at various places in the streetswaiting removal by the street cleaning department. The Zurich system comprises about 48 miles of singletrack, of which one-third is cared for by this car dur-ing a normal working day. As the car is operated atan average speed of it does not interfere inany way with the regular passenger service. Accord-ing to F. Largiader, manager of the system, the totalcost of the completely equipped car was approximately§6,600. Its weight when empty is 13 metric tons. figures the annual saving at $4,500, aftermaking proper allowance for capital and renewal costs. C. W. Mallins, general manager Liverpool (Eng.)Corporation Tramways, has prepared a plan for theconstruction of a system of underground electric rail-ways in Liverpool, estimated to cost $63,310,000. Theplan provides for a belt system of tube railways en-ci
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