Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 219
Fig. 81furnace view, wilkinson stoker In the Wilkinson stoker, Fig. 81, the grate bars are hol-low and are set at an angle of 20°,-the inclination beingfrom front to back. Each bar is stepped along its fire 206 Steam Engineering surface, and on the rise is perforated with a long, narrowslot. A… … Fig. 82wilkinson stoker and from this pipe small branch pipes lead into the endsof the grate bars, which latter are in fact a series of hollowtrunks with their front ends open. When in operation a Mechanical Stolien 207 steam blast is admitted to each of the several trunk gratebars through the…
