OCR Text |
Show oo Oil Stored With Water. A new hydraulic method of storing petrol or gasoline is credited with Important Im-portant advantages The unused space In the storage tank Is kept always filled with water, and a tlinple pump ing mechanism causes the water to force the oil out as required. In refilling the tank the water io drained away Tho two liquids do not , mix, the light oil always floating on ' top; there is no Iosb from evaporation, as there is no gas to escape on refilling, refill-ing, and the oil is preserved un changed for any length of time. |