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Show ROAD - MAINTENANCE TRUCK implement Carries Concrete Mixer and Combination Bin for Cement, Sand and Gravel. A highwny-mnlntenanre truck, described de-scribed in the ropular Mechanics Magazine, Mag-azine, has been put Into operation In California, which would soem to be the Inst word In complete equlpmenL It carries a concrete mixer nnd combination com-bination material bin for cement, Band and gravel. Also nn uir compressor and air lank which con be used for driving a rock drill for road work, or can be used In connection with a water-supply tank ns a spraying outfit or fire extinguisher. There Is also a centrifugal pump which enn be used for filling tho water tank or for pumping out clsturns or caissons. The truck engine furnishes all necessary power for driving the auxiliary equipment ut vnrlous speels through a special trun'mlHf.lon. Flanged wheels may be substituted If so desired. |