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Seite: 32 traps failed in the performance of their functions nor required material repairs. Those constructed in this vicinity are uniformly 94 ft. 4 in. wide between pier undercuts, and vary in vertical height above sills - from 10 to 13% ft. Two such traps can readily pass the equivalent of a 74-ft. open river stage of water as registered by the Davis isiand gage. Thus their great advantage for op- erating purposes can readily be seen. These gates are in pairs in all of the movable dams except Nos. 1 and. 2, Ohio river, and are steel except the latter and at dam 6. The only all-wood gate is at dam 2 and is 102 ft, 4 in. wide. Those at Nos, mer being 52 ft. wide end the latter two each 120 ft. Thé wooden and composite gates operate quite satis- factorily, possessing, however,, in a "measure the objectionable structural and operating defects before alluded to. - me (To be continued.) PORTAGE LAKE CANAL COM- MERCE. The teport of "Major. Graham~. D. Pitch, corps. of engineers, U. S. army, who is in charge of the harbors of Lake: Superior, on the marine commerce of the Portage Lake ship canals for the calendar year 1908, has just been issued. The report shows that the decrease in freight tonnage during the past year was 8.1 per cent. The navigation sea- son covered a period of 230 days--from the opening on April 22 to the closing on Dec. 7. During the year just passed these canals have been used by more of the large class of vessels than ever before and record cargoes have been carried through. -Most of the vessels passed through the waterway without trouble, but the channels are narrow for this class of vessels and in consequence groundings, collisions and accidents have occurred. Boats have had comparatively no trouble passing through the Hough- ton-Hancock bridge, which has given good service during the year. The heaviest commerce through the waterway was during the month of Oc- tober, or in the stormy season, which shows clearly that these canals are used for refuge to a great extent, as there are more boats navigating Lake Su- perior during the months of July and August. The total number of vessels using the waterway during the year 1908 was 3,085, of 2,265,304 net registered tons, and the total freight carried was 2,263,- 914 tons, valued at $77,323,898, Yo ang.O vane : composite--wood and. steel--the for+, THE Marine REVIEW Launching the Alva C. Dinkey. A workman' of - humble circum- stances was once introduced to and left alone for a moment with a well- bred and refined woman. . "Faith," thought he, "I wish I could think of something to say. Have. you ever traveled in a box car, ma'am?" The launching party. that: officiated at the launching of the bulk freighter, Alva C. Dinkey, named in honor of the president of the Carnegie Steel Co., at the Lorain yard of the Ameri- can Ship Building Co., on Saturday last, can truthfully: say -that they have traveled in.a box car. The rains of the week had made the ship yard a bit soft and it: sis well on to half a mile from the superintendent's office to the launching slip. The difficulty of transit was surmounted in a thor- oughly ~practical manner. by backing the yard 'locomotive attached to a MISS LEONORA DINKEY BOx, car (2 very clean and. well proomed one, by the way), up to- the superintendent's office and con- veying the party to the launching stand. The steamer, which is building for ye Eilisbits. Steamship Co., was eiristened by Mr. Dinkey's -- little daughter Leonora and, as is usual with all launches of this yard, everything passed off finely. in the slip, however, was nearly three feet lower than usual, so that the great steamer had a drop of over 6 ft. This made a tremendous wave and as the yard crowded with. sight- Seers many of them had to. scamper in order to save their feet from get- The water Was ting wet. The launching party was taken. from Cleveland to Lorain in four special cars and as soon as the steam- er was safely overboard, returned to Cleveland, where luncheon was served at the Hollenden. ; Mr, Harry Coulby, president and general manager of the Pittsburg Steamship Co., was introduced by Mr, James C. Wallace, president of the American Ship Building Co, as toastmaster. Mr. Coulby said that in naming ships they were recognizing men who were instrumental in build- ing up the business of the lakes, Thete would not be much lake business without steel works. The Carnegie Steel Co. he held to be the largest steel works in the world and with that he introduced Mr. Dinkey, Mr. Dinkey said that he was sensi- ble of the honor of having so great ABOUT: TO SMASH THE BOTTLE. a ship named: after him. He added that no city in the country uses as many of the products of the Carnegie Steel Co, as Cleveland does, and he also thought that Cleveland owed a great deal to Mr. Wallace, who had developed one of the greatest ship- yards in the world. He offered @ toast to Mr. Wallace. This led Mr, Coulby to say eat the party had attended a magnificent launching which the Pittsburg pteamship Co, had paid, and an ee tremely light luncheon for which the American Ship Building Co. was pay- ing, and with that he introduced Mr. Wallace, said that if he had Coulby was for who promptly known that Mr.