Engineering and Contracting . 0 gal., but this will ordinarily be compensated for by \i A 3-in. or 4-in. lift pump may be used to an advantagein pumping oils. Such pumps are set in the tank carat the top and one man will readily pump a 600-gal. tankin 20 minutes. This kind of pump can be purchased for$20 to $25. It has many advantages as there is no me-chanical power needed nor any pipe or hose connections. After the pump is connected at the bottom of the tankcar and everything is ready to receive the oil, the capon the dome of the car should be unscrewed and the dis-charge valve opened from t
Engineering and Contracting . 0 gal., but this will ordinarily be compensated for by \i A 3-in. or 4-in. lift pump may be used to an advantagein pumping oils. Such pumps are set in the tank carat the top and one man will readily pump a 600-gal. tankin 20 minutes. This kind of pump can be purchased for$20 to $25. It has many advantages as there is no me-chanical power needed nor any pipe or hose connections. After the pump is connected at the bottom of the tankcar and everything is ready to receive the oil, the capon the dome of the car should be unscrewed and the dis-charge valve opened from the inside. This valve has astem projecting up to the dome. It is well to have acut-off valve in the hose or pipe connection at the bot-tom so the tank car valve may be left open during theday that oil is being used. If there is an elevated siding or switch 8 or 10 ft. highat the station, the tank can be spotted thereon and theoil allowed to flow by gravity into the distributing wagonfrom the tap in the bottom of the tank Upper left-hand view: Unloading hot oil from railroad tank car into distributor by means of rotary pump attached to tap in bottom of car;tank car heated with steam from adjacent ice plant. Upper right-hand view: 800-gal. auto pressure oil distributor for applying cold left-hand view: Pressure distributor for applying hot or cold oil, owned by State Highway Department; heat supplied by coal fur-nace under tank. Lower right-hand view: Applying heavy asphaltic material at rate of Vi gal. per sq. yd. •>( .surface; material is heated fcurneis beneath the tanlc. the saving in barrels and in the economy effected inhandling the oil on the job. Pumping Oil.—There are a number of special oilpumps on the market that can be purchased at from $15to $30 that will readily pump hot or cold oil. The rotarypump is the one most commonly used. It may be drivenby a gasoline engine or a steam engine, in case the lat-ter is needed at the tank car f
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