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.