ted on the grate as in an ordinary fur- The application of improved boiler firing systems to nace. When a hot fire, six inches thick or more, has ships is naturally an operation of considerable diflfi- stone hanging free about four feet from the ground. eulty. The restricted space at disposal for… … SECTIONAL VIEW OF THE MTJLLER BOILER FURNACE THE HULLER BOILER FURNACE-FIRING ROOM ON THE STEAMSHIP GRIMM. ON THE STEAMSHIP GRIMM. suits. The MuUer furnace, which is the one alluded special manner by the spider for the definite purpose coal upon the grate. The air entering by the firing either of…
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