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NGINE room floors, platforms and runways are safe for the walker in every weather when they are made of “A. W."’ Diamond Pattern Rolled Steel Floor Plate. The raised pattern of oval-shaped, bevel-edged and rounded-top dia- monds gives the walker confidence .- and prevents side-slipping with the roll of the ship. Because the tops of the diamonds “A.W.” Diamond (% size) Sere. ip any weather! ALAN WOOD are rounded (not flat), water and oil cannot remain on the raised pattern. Thorough drainage is pro- vided from every angle. “A.W.” Floor Plate is made in two patterns, as illustrated below. It is rolled in thicknesses, widths and lengths to meet every need, andcan be furnished in steel and all commercially-rolled metals. Write for samples and booklets. “A.W.” Diamondette (% size) STEELE CO. CONSHOHOCKEN, PA. Philadelphia New York Boston Dallas 78 Seattle San Francisco Los Angeles BRUNSWICK- RKROESCrELE REFRIGERATION “The STANDARD for ALL Marine Installations” Brunswick-Kroeschell Company ENGINEERS AND MANUFACTURERS Refrigerating and Ice Making Machinery NEW BRUNSWICK, N. J. CHICAGO, ILL. Branches, Distributors and Service in Principal Cities "| Fathometer J ~ VISUAL ECHO SOUNDINGS ANY soundings a minute are available at the turn of the Fathometer switch. The Naviga- tor can obtain instantly on the Fathometer Dial the depth in fathoms beneath the keel. Con- stant knowledge of depth allows position to be known. The Fathometer is a modern aid to navigation—a check to other navigating aids. Now installed on vessels of the U.S. Lines, Cunard, North German Lloyd, United Fruit, Moore & McCor- mack, AGWI Lines and many others. Submarine Signal Company 160 State Street :: Boston, Massachusetts :: U.S.A. "MANUFACTURERS OK Fathometers for Echo Sounding scillators for Submarine Signaling eo Submarine Receivers for Direction Finding Synchronous Signal Equipment for Distance Finding MARINE REVIEW—June, 1930