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10 MARINE REVIEW November, 1925 Haynes Automatic Sounding Machine phe: PROTECTS es the “Greater Buffalo’’ Panis the “Greater Detroit’’ ar BB 8 eee ee ce es rr | Poy oN r\ | Side view of vessel showing Installation in place ~~ Frank E. Kirby, oS January 6, 1924. “I have carefully considered your improved sounding machine—and being convinced of its sound principle and construction, I have approved and specified two of them to be fitted on the new steamers now being built by The American Shipbuilding Co., for Detroit & Cleveland Navigation Co.” A Definite Depth Record is Constantly Before the Master of a Vessel. The Haynes Automatic Sounding Machine gives accurate and con- tinuous soundings during every moment of a ship's movernent. Ki Hl) Disaster due to unexpected shallow depth is a horror of the past. fs = SO SS AN The Haynes Automatic Sounding Machine sounds warning at Sen any pre-determined depth—and is not affected by snow, ice or weather conditions. Write for details of passenger and freight vessels already equipped. FE. J. HAYNES 1512 W. Clifton Blvd., Cleveland, Ohio Depths Automatically Recorded by Lake Vesse on Run From Bar Point to Buffalo Please mention MARINE REVIEW when writing to Advertisers