Don Mills, Ont. : Southam-MacLean Publications · leaf 69
oneither side. When flat piling is used it has been found that evenwith a good circulation in the kiln itself stagnationsometimes may exist within the center portion of thepiles to so great an extent that mold may form betweenthe layers of lumber. With the inclined piling ab-originally designed for… … h rr Fig. 2. —Diagrammatic section of improved dry kiln with spray chamberson sides double truck form. tion when the forced circulation is in the oppositedirection from that induced by the cooling of the airby the lumber there is always more or less uncertaintyas to the movement of the air through…
Furniture industry and trade · Woodworking industries
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