610 



POTTERY 



glaze-kilns ; tr, long passage ; v, space left for supplementary workshops ; x, space 

 appointed as a depot for the sagger fire-clay, as also for making the saggers ; z, the 

 workshop for applying the glaze-liquor to the biscuits ; a, apartment for cleaning the 

 glazed ware ; b, b, pumps ; c, basin ; d, muffles ; e, warehouse for the finished stone- 

 ware ; /, that of the glazed goods ; g, ff, another warehouse ; h, a large space for the 

 smith's forge, carpenter's shop, packing room, depot of clays, saggers, &c. The 

 packing and loading of the goods are performed in front of the warehouse, which has 

 two outlets, in order to facilitate the work ; i, a passage to the court or yard ; I, a 

 space for the wooden sheds for keeping hay, clay, and other miscellaneous articles ; 

 m, room for putting the biscuit into the saggers; m', a long window; , workshop 

 with lathes and fly-wheels ; o, drying-room ; p, room for mounting or furnishing 

 the pieces ; q, repairing room ; r, drying room of the goods roughly turned ; s, rough 

 turning or blocking-out room ; t, room for beating the paste or dough ; u, counting- 

 house. 



Pottery Kiln of Staffordshire. 



Figs. 1645, 1646, 1647, 1648, 1649, represent the kiln for baking the biscuit, and 

 also for running the glaze, in the English potteries. 



a, a, Jigs. 1645, 1646, 1647, are the furnaces which heat the kiln; of which b, in 

 Jig. 1645, are the upper mouths, and b' the lower; the former being closed more or 

 less by the fire-tile z, shown in fig. 1649. 



/is one fireplace ; for the manner of distributing the fuel in it, see Jiff. 1649. 



1646 



9> y> fy s - 1645, 1649, are the horizontal and vertical flues and chimneys for con- 

 ducting the flame and smoke. I is the laboratory, or body of the kiln ; having its floor, 

 X-, sloping slightly downwards from the centre to the circumference, x, y, is the slit 

 of the horizontal register leading to the chimney-flue, y, of the furnace, being the first 

 1648 regulator; x, u, is the vertical register-conduit, leading 



to the furnace or mouth /, being the second regulator ; 

 v is the register-slit above the furnace, and its vertical 

 flue leading into the body of the kiln ; 1/, c, slit for 

 regulating flue at the shoulder of the kiln ; t is an arch 

 which supports the walls of the kiln, when the furnace is 

 under repair ; c, c, are small flues in the vault s of the 

 laboratory, h, fig. 1646, is the central flue, called lunette, of the laboratory. 



T, T, is the conical tower or howell, strengthened with a series of iron hoops, o is 

 the great chimney or lunette of the tower ; p is the door of the laboratory, bound 

 inside with an iron frame. 



A, is the complete kiln and hovidl, with all its appurtenances. 



