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24 Ultra’ Violet Ray installation on S. S. Rochester—sterilizes 750 gallons of water per hour—costs about 1 cent per 1000 gallons to operate. Impure drinking water on board your vessel may cause serious illness to your entire crew, and passengers. THE ULTRA VIOLET RAY PURE WATER SYSTEM possesses high bacteria killing power. The germs of Influenza, Typhoid, Diarrhea, Diphtheria, Cholera, Tetanus and many other dangerous diseases, are entirely destroyed by the use of the Ultra Violet Ray. This system sterilizes and filters without changing the taste, or temperature of the water. Electrically operated—consumes the current of but about seven incandescent lamps. Bacteriological results guaranteed—complies with government requirements. THE R. U. V. COMPANY NEW YORK 50 Broad Street THE MARINE REVIEW Time-Tested Farnish During the old clipper days, when schooner, brig and sloop bore the sea’s traffic, Murphy Varnish covered hull, deck, boom, mast, spar and gaff through the storms and stress of long voyages. Murphy Varnish was then as now —‘‘the varnish that lasts longest’’. Murphy Transparent Spar Varnish “the varnish that lasts longest’’ Today Murphy Transparent Spar Varnish is a greatly improved product over the one that built Murphy prestige with seafaring men. It lasts longest on craft that plow the waters of every sea—in every clime. Murphy Spar Varnish mas- ters brine, ice and tropic sun. It is tough, elastic and as quick drying as a long lasting varnish can be. It has full body, yet flows freely from the brush. Above or below the water line, Murphy Varnish is ‘‘the varnish that lasts longest’? and it does not turn white. Write for full information Murphy Varnish Company Franklin Murphy, jr., President Newark Chicago Dougall Varnish Company, Ltd., Montreal, Canadian Associate A.N. A. ey —E 3 WE Ne dh te ee en So Sh en Sn ete Please mention THE MARINE REvIEW when writing to Advertisers February, 1918 0 Sat est Seb tS test Lai sfent eerl-ent -fet-fent- ce) | 8 S08 EP EE 1 NTS) «SO SOS Set -pet- ser Eka kok Sas a a ee ee a a Ll a Sih ai 0 2 Sol ar ent otto siot col tei cel mel fel tei cel corer er berber aera ae