Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · 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, narrow-slot. 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 Stokers 207 steam blast is admitted to each of the several trunk gratebars through the…