. Railway track and track work . chis hinged, so that it can be folded back against the other wheels for convenienceof shipment in a baggage car. These cars are used by roadmasters, inspectors,foremen, signal repairmen, etc., and on some roads by a man who rides over TRACK TOOLS AND SUPPLIES. 259 the track daily instead of trackwalking. On the arm may be carried a trayfor lamps or tools. The car may carry 1 to 3 persons and can be fitted withan odometer for measuring distances. Some velocipedes have frames of bicycletubing, with wire-spoke wheels, and the bicycle style of saddle, handle barand
. Railway track and track work . chis hinged, so that it can be folded back against the other wheels for convenienceof shipment in a baggage car. These cars are used by roadmasters, inspectors,foremen, signal repairmen, etc., and on some roads by a man who rides over TRACK TOOLS AND SUPPLIES. 259 the track daily instead of trackwalking. On the arm may be carried a trayfor lamps or tools. The car may carry 1 to 3 persons and can be fitted withan odometer for measuring distances. Some velocipedes have frames of bicycletubing, with wire-spoke wheels, and the bicycle style of saddle, handle barand driving gear. These weigh only 70 to 100 lbs. In order to facilitate the work of the sectionmen by eliminating the workof driving the hand car and giving greater speed, several roads are introducingcars propelled by gasoline engines. Such a car with a 7-HP. engine will weigh1,000 to 1,200 lbs., and can be run at 12 or 15 miles per hour. Similar carsfor the use of roadmasters, signal inspectors, or other division officers, weigh. Fig. 188.—Track Velocipede. from 800 to 1,600 lbs., and have engines of 6 to 15 HP. Specially light machineswith 4-HP. engines weigh only about 500 lbs. Ordinarily a 5-gal. tank of gaso-line is used, with a 25-gal. storage tank for very long runs. These cars canbe run at 25 to 35 miles per hour. (See Track Inspection.) Section cars andvelocipedes have been operated by sails on some western roads, but great careis required in operating them. Push Car and Rail Car.—The push car is a platform car not fitted with pro-pelling gear, and is used for carrying rails, ties, gravel, earth, supplies, tools,etc. The car in Fig. 189, with a platform 7X5-| ft., and four 20-in. wheels,will weigh 450 to 500 lbs. The rail car (see Tracklaying) has no platform;there are two side sills (to which the journal boxes are attached) and three orfour cross timbers faced with iron. At each end are two rollers to facilitateunloading rails. A rail car 8X6 ft., with sills 4X8 in
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