. Farm machinery and farm motors. FIG. 222.—ROCKER GR.\TES STEAM BOILERS 329. FIG. 223.—STRAW BURNER RETURN-FLUE BOILER 449. Direct-flue boilers, (Fig. 224), can be more easilychanged from coal burners to straw burners. This isgenerally done by adding a feeding tube with an encloseddrop-hinge door, by removing the grates and inserting adead plate with short grates in front of it, and by placinga deflecting arch composed of firebrick in the fire box.

---

Size: 2285px × 1093px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookpublisheretcetc, booksubject