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THE RITCHIE LIQUID COMPASS The Standard Liqui : world over. iquid Compass the col a Used Exclusively in U. S. Navy for over 40 years. Over 65,000 on Merchant Vessels in all parts of the world. Made in all sizes 2 to 12"' dia. Magnets for adjusting Purposes. U.S. Navy Standard Binnacle E. S. RITCHIE & SONS Brookline, Mass., U.S.A. Agents for the Great Lakes, The Upson-Walton Company, Cleveland, Ohio Operating for years without interrup tion on many of the largest ships afloat, Paracoil equipment is accepted as] standard throughout the marine world. | Paracoil equipment includes the fol lowing: Feed Water Heaters, Oil Heaters Oil Coolers, Feed Water Filters and Grease Extractors, Evaporators, Distil lers, Steam Traps, Exhaust Gas, Steam or | Hot Water Generators—for Diesel Plants, | and Rand System for Heating Bunker Oil. | Write for our interesting catalog. DAVIS ENGINEERING CORP. 90 West St. New York City Factory: Elizabeth, N. J. ANDREW J. MORSE & SON, Inc. a 221 High Street vil Established 1837 Fire Department Supplies The Morse Monitor Nozzle Callahan Shut-Off Nozzle STURGEON 8B THE MULHOLLAND HATCH-FASTENER COMPANY Marion Building, Main 0272 Manufacturers of the Mulholland Simplex and Security Hatch Fasteners. For Ocean and Lake Trade OVER 225,000 SETS NOW IN USE ON THE GREAT LAKES ee BOSTON, MASS. Diving Apparatus and Submarine Armor | Self-Unloading Boats our Specialty ~~ ~ ~ .. Se/f Propelled and Self Unloading River Boats pe EATHEM D. SMITH DOCK C0. Cleveland, Ohio LANE LIFEBOATS eran BYRD ANTARCTIC| EXPEDITION C. M. Lane Lifeboat Co., Inc. | Brooklyn, N. Y. Vessel and Insurance Agents John J. Boland Adam E. Cornelius BOLAND & CORNELIUS VESSEL OWNERS AND BROKERS Marine Insurance Agents Marine Trust Building BUFFALO, N. Y. Edward P. Farley & Co. Incorporated Steamship Owners, Agents and Brokers 11 Broadway—New York Wood and Stee! pair Work Pp I] Wheels FOpeuer pisdes = to fit any hub. Sheriffs Manufacturing Co. Established 1854 Milwaukee, Wis. Kelvin & Wilfrid O. White Co. 112 State Street, Boston Ship Compasses Navigational Equipment Contracts a Specialty New York and Montreal MARINE REVIEW—March, 1930 89