Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 219
Fig. 81 FURNACE VIEW, WILKINSON STOKER In the WilJcinson 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 StoJcers 207 steam blast is admitted to each of the several trunk gratebars through the…
![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-23-8.webp)
