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April, 1919 THE MARINE REVIEW 23 THOMAS ELLIPTIC GRATE BARS STEAMSHIPS Scotch Marine—Marine—Locomotive Fire Boxes and Furnaces THE GENERAL TRANSIT CO. LEADER-NEWS BUILDING CLEVELAND, OHIO Sept. 4, 1918. Thomas Grate Bar Co., Hippodrome Building, City; Gentlemen: Regarding the set of Thomas Grate Bars installed aboard the Steamer "THOMAS MAYTHAM" last spring, will advise that the Engineer of this vessel reports a very material saving in fuel when in port this season, over the amount used in port last season; in addition to the above we find that in making comparison with the fuel used last year from fit out to Aug. ist, figuring on an outside running basis, we have saved approximately 87 tons of coal in the first 94 days operation, or nearly a ton a day. In view of the above, we are pleased to advise that the bars have given good satisfaction and when ordering sets in the future, we will specify the Thomas bar. Yours very truly, THE GENERAL TRANSIT CO., tik , THOMAS WIGGLING—SHAKING—DUMPING GRATE BARS PATENTED SCOTCH MARINE BOILERS BOTTOM AND END VIEW OF BAR SIDE VIEW SHOWING STRUCTURE THE BAR That saves its cost in fuel saved in a few weeks use. That makes a poor steaming boiler, a free steamer. That eliminates the cleaning period. That reduces the fireman’s labors. That eliminates grate bar mishaps and shut downs. That cannot get out of fix and refuse to work. : THE WHY STRUCTURE-—Is made up of two curves, one top and one bottom, joined together at each side with spacing and connecting lugs of one-third contact and two-thirds air space, forming a structure in which the heat cannot equalize; the under portion can not get hot to break or become distorted and refuse to work. MATERIAL—Made of pure Pig Iron (no scrap) bought on analysis, standing 2370 degrees before fusing. OPERATION—The Elliptic shape, eccentric movement slips under the fuel or fire bed, peels the ash from its lodgment and deposits into ash pit and does not disturb the fire, tearing the fuel bed into streaks, seams, holes and pockets, as other shaker grates do. RESULTS—tThe fire is kept at the highest state of efficiency at all times—never fouling, giving more steam and substantial savings in fuel. For Use with Either Natural, Induced or Forced Draft FOR DETAILED INFORMATION WRITE THOMAS GRATE BAR CO. 30 Broad Stecst New Yelk ; z 901 Hippodrome Building, Cleveland, Ohio : Birmingham, Ala. 518 Railway Exchange Building, Chicago, Illinois Please mention THe Marine Revirw when writing to Advertisers