MALT-IIOUSES, LIMEKILNS, BRICK-KILNS. ETC. 007 forms the floor of the kUn ; and /, the sill of the door of the kilu. Fig. 1166 is a transverse section on the line 1166 C 1), in which m is the ash- pit J n, the fuel-chamber ; o, the bearing arches over it ; p, the open brickwork, form- ing the floor of the kiln ; q, double arches over the kiln mouth ; there being in the lower arch six small openings on the sides for the escape of the smoke, and in the upper arch four larger openings along the top ; the united areas of the openings in each arch being equal to the area of the ash-pit door; r, coverings of iron or stone to the upper openings, for use when it is desired to retain the heat in the kiln ; s, roof covered with tiles for enclosing timber to be smoked, corn in the sheaf to be dried, &c., and for serving as a roof when the covering arches are taken off, and the kiln used as a malt or corn kiln ; t, a vacuity between the inner and outer walls. Where t t the kiln is likely to be used alternately for burning bricks and lime, and for drying corn, instead of a fixed arch of aiasonry over the top, an arch may be bidlt on a cast-iron frame placed on wheels, and 1167 d .^ S ■I M M H arawn off and on at pleasure by windlasses, as practised at Closebum, and figured and described in the Ency. of Agric. 2d edit. § S864. Fig. 1167 is a longitudinal section on the line E F, in which u is the roof of the fuel-shed, and the shed under which the moulded bricks are dried before being put in the kiln ; v, the kiln floor ; w., the open
