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MARINE REVIEW. | Wor. VI. Steam Generators for the Great Northern Passenger Boats. The announcement that each of the big passenger boats under construction at the yard of the Globe Iron Works Com- pany, Cleveland, for the Northern Steamship Company, is to have twenty - eight Belleville boilers has Cheerd eds 4a) great deal of interest in this type of steam gener- ator which is new in its ap- plication to large vessels in this coun- try and en- tirely new to the lakes. Some drawings reproduced here will serve to show Section showing boilers, fire rooms and bunkers. & > G) (Q)N(DKOH(O)(O)) (COO > @) (O/C) O))(O)) (LOK SO) (O@ ONG) (CO)LS)N(O)(O) (OO © © 9 9 9 9 9 9 CLEVELAND, OHIO, THURSDAY, DECEMBER 22 1892. No. 25: aay kind in any of the different compartments the operation of any of the three groups of generators can be suspended without seri- ous results. In this peculiar arrangement there is evident practical ad- vantage to the ship in the better distribution of weights as well as better distribution and coal stowage. 'The fire rooms being outboard of the boilers and the bunkers again outboard of the fire rooms, these latter are cool and well ventilated, as only one side is exposed to the heat. Not only are the attendants in a better temperature with good air to breathe, but the handling of coal by the firemen is from the bunker direct to furnace, for each fire door has its own coal opening in the bunker directly Oppo- site and within shovel-reach. 'The boilers will be constructed at the shops of the Globe Iron Works Company under the direc- tion of Mr. Miers Coryell, who is the agent of the Belleville com- pany in this country. Now that the Cramps have decided upon quadruple expansion engines for all of the new Inman line steamers, it will be seen that the builders of these boats, as well as Mr. John Gordon, gen- eral manager of the Northern Steamship Company, are really in BELLEVILLE BOILER, TO BE USED IN GREAT NORTHERN STEAMERS. the main features in the construction of these boilers as well as their arrangement in vessels to which they are applied. The small drawing, a transverse section from a French vessel in which these generators are used, shows boilers, fire room and bunkers. The boilers are set back to back directly over the keel line of the hull, the fire rooms are outboard on each side, as shown, and the bunkers are between them and the outside of the hull. Thus in each of the new Northern line boats there will be fourteen boil- ers on either side of the keel about amidships, with furnaces working into three stacks. 'The twenty-eight generators are di- vided into three groups, ten in the forward fire hold, eight in the middle hold and ten in the after hold. 'These fire holds will be separated by heavy bulkheads, so that in case of accident of any advance of the best practice for high power passenger steamers in the radical departures which they have undertaken. On Jan. 1 of last year Belleville boilers were in use in vessels aggre- gating more than 100,000 horse power, some of which in the merchant service between France and Australia are subjected to continuous steaming of twenty-two days. Great preparations are being made at St. Paul and Seattle to celebrate the. completion of the Great Northern Railway to the Pacific coast. [he demonstration will surpass that over the completion of the Northern Pacific. The two new steamers building by the Globe Iron Works Company, 1n connection with the four that will follow, will cover the water route link in this great trans-continental system.