Figure 99: Sketches by Cipriano Piccolpasso of the small kiln

a - Ground plan of small kiln.

b - Sketch of fire box and arches.

c - Horizontal section above the arches through square outer walls and circular chamber, showing triangular corner flues.

d - Sketch of small kiln with outer brickwork truncated to show the pierced hand built cylindrical chamber.

e - Detail sketch of sectioned cylindrical chamber. The loosely placed plates in the base act in the same way as the brick chequer floor of later kilns.