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November, 1924 MARINE REVIEW On The Seven Seas—Unerring Service From Ball Bearing Marine Equipment ONSTANT thumping, hour after hour, as this pile driver makes its way out over the river. It’s hard going all day long but the SKF marked Ball Bearings which are part of the equipment stand up without any sign of weakening. Made of chrome alloy steel, practically wear- proof, they have the stamina and endurance for just this kind of ser- vice and require little attention. amr SKAYEP BALL From the top-most deck to the lowest hold, on ocean greyhound or tug, on docks and wharfs, over the seven seas of the world, you will find SKF marked Ball Bearings on all types of machinery where reliability and unfailing operation are prime requisites. Our engineers will gladly cooperate with you in the appli- cation of ball bearings to marine equipment of all kinds. BEARING COMPANY Supervised by SKF" INDUSTRIES, INC., 165 Broadway, New York City 1261 The SELF ALIGNING BALL BEARING Normal View Deflected View Please mention MARINE REVIEW -when writing to Advertisers 13