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ON S.S. HARRY COULBY sei tgs ie A oe te he : og rk? es gunn? Eouen® ompaaee % € * T IS INDEED SIGNIFICANT that ENGBERG “Improved” Marine Generating Sets have been chosen for the newest and largest Great Lakes Cargo Vessel, the S.S. HARRY COULBY — length, 600 feet; displacement, 21,380 tons. Two of the generating sets are 25 K.W., the third 10 K.W. in capacity. Again and again ENGBERG Equipment is selected by the leading Ship Owners and Ship Builders. Absolute dependability under all conditions, resulting from thorough design, rugged con- struction, and complete investigation into actual requirements, is responsible for this marked preference. ENGBERG’S ELECTRIC & MECHANICAL WORKS 2293 Vine Street, ST. JOSEPH, MICH., U.S. A. ENGINES GENERATING SETS GENERATORS SWITCHBOARDS MOTOR GENERATORS MOTORS When Timbers Creak and Groan— It's sound deck JEFFERY’S at we sense and real econ- MARINE : a? al omy to have deck Wn A seams payed with GLUES AN L Jefferys Marine Glue. Jeffery’s is | —~. flexible, elastic, and tenacious however a vessel may weave and twist. Keep Down Upkeep Refrigerating Machines Have a_ good - service record at sea. Ask any engineer who has used a Frick. Illustrated bulle- tins will tell you why they are superior. Write Jeffery’s Keeps Seams Tight In frigid north, or under tropic sun, Jeffery’s “‘stays put” without becoming sticky, or crumbling and falling out. It's economical—saves one or more recaulkings. Write for Literature 22 LW Ferdinand £(o.¢") Gevalia Ces) IS2 Kneeland Street. Boston.Mass. 98 MARINE REVIEW—April, 1928