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May, 1925 The greatest aid to Navigation cAdmira! Line Steamer H. F. cALEXANDER Proceed in Dense Fog —with safety — without delay! Fog conditions at harbor entrances mean no delay—no loss of time—to the ves- sel equipped to take radio bearings with a Kolster Radic Compass. Despite the weather, fog, snow or a stiff sou’ wester—the radio wave pierces through. With the Kolster Radio Compass, the master can take direct bearings of radio fog signaling stations established by the United States Bu- reau of Lighthouses and guide his ship to safety and without delay. The Kolster Radio Compass can be in- stalled in the chart room of any vessel. Its operation by deck officers is ex- tremely simple—no special training or knowledge of radio apparatus is neces- sary. Write for your copy of Bulletin 25 FEDERAL TELEGRAPH COMPANY SAN FRANCISCO 25 BEAVER STREET, NEW YORK CITY Japan - China Representatives : Sperry Gyroscope Co., Mitsui Building, Tokio <,RADIO COMPASS # MARINE REVIEW HEAVY wares ER Weve floundered of the Texel Awash with sodden deals, We've slipped from Valparaiso With the Norther at our heels. The Seven Seas When the gale roars through the rigging and the waves run high the staunchness of your craft is put to the test. It is then that good caulking proves its worth. Be sure your oakum is STRATFORD OAKUM It has been keeping the ocean out for nearly a century. It is the best and most eco- nomical caulking material ob- tainable. Sold and used throughout the world. GEORGESTRATFORD OAKUM CO. Jersey City, N. J. Please mention Marine Review when writing to Advertisers