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July, 1926 MARINE REVIEW 41 Cl ‘a aji C J id Oi | Pde The illustration HE new Diesel-electric sea-going hopper shows two De Laval s g : Oil Purifiers on the dredge Sandmaster of the Construction Diesel-electric dredge , 5 andmaster. Experi- Materials Co., Chicago, has been called the ence has shown that : : : these machines will most modern vessel of her kind in operation. | greatly reduce bear- ; : : 2 ing wear, save many Like most other modern ships, she is equipped bearing adjustments ; : : and effect a material with De Laval Oil Purifiers—one for each of reduction in lubri- cating costs. her two 600-hp. Worthington Diesel engines. De Laval Oil Purifiers remove water, sludge, carbon and other impurities from lubricating oil by a centrifugal force several thousand times greater than the force of gravity. Purification is made more complete by the employment of the patented De Laval system of strata distri- bution. This scientific principle makes it possible to attain the highest degree of purifi- cation with a minimum expenditure of centrif- ugal force. Hence, De Lavals can be built in accordance with sound engineering principles, to operate with a minimum of wear and upkeep cost. The De Laval Separator Company 165 Broadway, New York 6C0 Jackson Blvd., Chicago De Laval Pacif:c Company, San Francisco “Approved by American Bureau of Shipping”’ ceieeetaesioeeeteeteetaee toeesieeteentaeteteatestetentientantanas Please send Bulletin containing further infor- mation regarding the De Laval Oil Purifier as checked below: o | ID | Purification of lubricating oil. | Purification of fuel oil. C bdVa i | | | | | OIL PURIFIERS Please mention MARINE REVIEW when writing to Advertisers Address 22-52 8 ee ea ae ee