rried by intermediate A-frames rest- wise of the furnace, above the second row of grate bars, ing upon the central longitudinal girder. At either AN IMPROVED UNDULATING FURNACE HEARTH. as shown in Fig. 1, and in the cross sectional view, side of the intermediate frames are arranged knees, A furnace… … dress Mr. James E. Herring, Secretary Napanee Gas BARKER’S UNDULATING FURNACE HEARTH. TREANOR’S RAILWAY CAR. Company, Napanee, Ontario, Canada. ends of the downwardly extending lengths of the skids supported hearth or basin, with means for undulating 0 having hook-like projections. The knees have…
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