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42 Norfolk Modern Port (Continued from Page 25) per, automobiles, parts and _ acces- sories, cotton mill waste, flour, lard, and other provisions. Hampton roads is the world’s great- est coal port, America’s largest to- bacco port, its fourth cotton port, and is fifth among all the nation’s ports in foreign commerce, being surpassed only by New York, New Orleans, Philadelphia and Baltimore in this 3 a be / eS er es e B a ae 2 (tn ten i, lm, aa tt alent, ~4 <P, iim >< Pe x Pan ae Oe SO is. Ria, Iii en * aaa, ices 8 te i Pin bet MARINE REVIEW ta : LN ' CHINA CLAY IMPORTED AT NORFOLK, VA., DISCHARGED FROM SHIP TO RAILROAD CARS respect, and it is steadily growing. The import commodities include fertilizer materials, nitrates, kainite, potash, phosphate rock, from South America, Germany and France; wood pulp, newsprint paper and iron ore February, 1927 UP-TO-DATE METHOD OF MOVING COT- TON FOR EXPORT AT NORFOLK, VA. from Scandinavian countries; copper and manganese ores from the West Indies and South America; mahogany logs from Central America and Santa Domingo; coffee, hides, and tanning extract from South and Central Amer- ica; salt from the West Indies, Africa and Mediterranean ports; vegetable oils from the Far East and the Philip- pines; large quantities of asphalt, crude and refined oils from Gulf ports and Mexico; fruits and molasses from Cuba, the West Indies and Central America; jute bagging from’ the United Kingdom; toys from Belgium and Germany; and many other ar- ticles. Shipment to the interior from Norfolk is particularly advantageous. Radio Direction Finder on the Lakes HE past season of navigation | on the Great Lakes witnessed a remarkable application of radio, which, although not as_ spec- tacular as the apparently sudden growth of broadcasting, is relatively as important in its scope of providing an additional aid to navigation. Reference is made to the _ radio direction finder, whose: characteristic loop atop its supporting tripod made its appearance over the pilot houses on forty odd lakers with the opening last spring, following contracts award- ed the Radio Corp. of America by The author, George E. Cole, is superintend- ent, Great Lakes division, Radio Corporation of America, Ohio company. BY GEO. E. COLE the Interlake Steamship Co., burgh Steamship Co., Brown & Co., Pitts- Harvey H. Shenango Steamship MOUNTING LOOP STRUCTURE ON THE D. O. MILLS OF THE INTERLAKE STEAM- SHIP CoO. Co. and others whose courage and faith in the equipment made possible the largest job of its character ever undertaken at one time. Each instal- lation was complete and ready for calibration at the opening of naviga- tion in spite of the unusually severe winter. Installations of direction finders were made on assigned vessels laid up in Lake Erie ports and at South Chicago, Ill. Calibration of the instru- ments were in most cases accom- plished as the vessels moved for their first northbound cargo. Through the courtesy and co-operation of Capt. C. A. Parks, superintendent of light- houses at Detroit, the radio beacon