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March, 1919 THE MARINE REVIEW 33 THOMAS ELLIPTIC GRATE BARS STEAMSHIPS Scotch Marine—Marine—Locomotive Fire Boxes and Furnaces GEO PRINCE. Paes OK WILDS Sec ATacas STEAMERS HY x OPERATING BETWEEN SENATOR CORDILL } i GREENVILEE H ae LAKE PROVIDENCE PERCY SWAIN icCKSBURG FALLS CITY y TUOE UNCLE OLIVER ye ss NATCHEZ + ro ee PAL. ats ——— MAIN OFFICE: VICKSBURG, MISSISSIPPI MOVING ‘ a LEVEE AND LOGGING OUTFITS U.S MAIL CARRIED BETWEEN NATCHEZ B VICKSBURG ry SPECIALTY ON BOARD STEAMER Oct. 24/18 The Thomas Grate Bar Co., Birmingham, Ala. Gentlemen: Enclosed please find sketch of furnace on our Str. Uncle Oliver, on which we want to install your shaking bars as soon as you can possibly ship them. We were delayed in getting the Bars in our Str. Cordill fully three weeks. They have proven more than satisfactory. Some day, as soon as I can go over our fuel account, will make you a statement. We are very well pleased and find that they are doing the desired thing - saving fuel and lessening the labor Please ship us the Bars as soon as possible. Labor is soarce and as the Season goes, it gets scarcer. Respectfully, ROYAL ROUTE CO it Pre THOMAS WIGGLING—SHAKING—DUMPING GRATE BARS PATENTED # } 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—The 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. “50 Broad Strost Rew York Birmingham, Ala. 618 Railwey 1 Sechange Hatidiag, Crrcaae. Mlitvots Please mention THE MARINE REvIEW when writing to Advertisers si eae SER cake Skdad eas asain he i