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32) HARRY COULBY—Freighter—Great Lakes—Single Screw—Steam Name—HaArry COULBY Owner—Pickands, Mather & Co. Builder—American Ship Building Co. Naval Architect—A. W. Cross, Am. 8. B. Co. Launched—April 30, ’27; completed, Sept. 10, ’27 Classification—American Bureau and Lloyd’s HULL PARTICULARS Length over all, 630 feet 9 inches; length be- tween perpendiculars, 607 feet; breadth molded, 65 feet; depth molded, 33 feet; draft loaded, 20 feet; displacement loaded, 21,380 tons of 2000 pounds each; gross tonnage, 10,179; net tonnage, 8145; deadweight capacity, at 20 feet, 14,000 long tons; cargo capacity, nomina! 14,000 short tons; cargo capacity in cubic feet, 589,257; bunker coal capacity in tons, 521; speed, 12% statute miles per hour. MACHINERY PARTICULARS Main Engine—One triple expansion recipro- cating steam engine, built by the American Ship Building Co. Size, 25% x 41 x 67 inches x 42-inch stroke; indicated horsepower, 3000. Boilers—Three, Babcock & Wilcox Co. marine watertube boilers. Size, total heating surface, 9345 square feet; total superheating surface, 750 square feet; total grate surface, 191 square Soa Sey A Oe NE hesffeehe oN Asta ia lac Speci eT DESCRIPTION The Harry COoOuULBY is the largest Amer- ican Great Lakes bulk cargo carrier. Her deadweight capacity at 20-foot draft is 14,000 long tons and in load- ed condition this ves- sel is capable of 12% statute miles per hour. Besides her size the HARRY COULBY is dis- tinguished for her luxurious guest quar- ters. feet. Working pressure, 215 pounds per square inch; fuel, coal. AUXILIARY EQUIPMENT Manufacturers of: Pumps—Warren Steam Pump Co. & Morris Windlass—American Ship Building Co. Winches—American Ship Building Co. Steering Engines—American Ship Bldg. Ce. Propellers—American Ship Building Co. Refrigeration—Frick Co. Electric Generators—Two 25 & 1-10 k.w. Engberg Soot Blowers—Diamond Power Specialty Radio Compass—Radiomarine Corp. Gyro Compass—Sperry Gyroscope Co. Search Light—Sperry Gyroscope Co. Condenser—Foster Wheeler Corp. Air Pump—(Steam Jet) Foster Wheeler Telegraph (Eng.)—Th. Goldschmidt Corp. Mechanical Telegraph—Chas. Cory & Sons Anchor Chain—National Malleable Co. Electric Whistle—Benson Electric Co. Flash Lights—Benson Electric Co. Deck House Windows—Kearfott Eng. Co. The HARRY CouLBy is the largest and most elaborately equipped American freighter ever built on the Great Lakes. Her cost is ap- proximately $1,000,000. Eig 1 egREE ys mes ——11— oS JS i ta bas a eat 4 is MARINE REVIEW—April, 1928