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February, 1925 MARINE REVIEW 43 The entire pumping equipment of many of the finest ships in every class is of Warren manufacture. Marine engineers know that years of efficient, dependable service are the unfailing result of the improved design and superior quality of materials and workmanship of Warren Pumps. es Z WA Steam Pump Company Warren, Mass. Chicago New York San Francisco Boston Philadelphia 7603 —made to your exact requirements—any size True to size —easily and quickly installed. Highest quality and therefore longest life. Conform to United States, American Bureau of Shipping, Lloyd’s Register of Shipping, Bureau Veritas and all other standards and specifica- tions. Prompt deliveries. For complete information write— American Spiral Pipe Works Main Office and Works: Box 485, Chicago, Illinois New York Office: 50 Church St. MR 2-M-RTG Do this 20 times in the Captain’s ear and see ‘what happens OU know the answer, yet if the oil engine exhausts on a vessel are noisy, the same effect is being imposed per- haps 200,000 times a day, on everybody on board. The intensity of each ‘‘hoom”’ may be less, but the distraction is sure, and the harmful effect on the nerves is cumulative. By killing exhaust noises of any loud- ness, Maxim Silencers enable the navi- gating officer to pick up faint fog whistles, bell buoys and any other danger sounds at the earliest possible moment. ‘The Silencer is therefore as much of a safety device as a bilge or fire pump, and it is further a great aid to clear understanding of verbal orders. A Maxim Silencer is easily installed and may be tried at our risk. Send in your order subject to satisfaction after fair trial, or return of the silencer and cancellation of the bill. Mail the coupon. MoM. arene M SILENCERS Maxim Silencer Co., Hiram Percy Maxim, Prest., 132 Homestead Ave., Hartford, Conn. ( ) Quote on or ( tollowing conditions: ) send Maxim Silencer for the Diam. of pipe 3;.6¢.5.. «3 in:. Kind of engine, 2.0. oo ae Size in PP eee cece Speed yess ery ae oes R.P.M. Name i see 5 Be Fa San Sw Adddrene 25356 ck e515 gs woo eae nik Snake wie We 6 loco lr bi ota ne oe rate acer Please mention MARINE Review when writing to Advertisers