30 braccia wide on each side; the lower entrance leads into a hall
10 braccia wide and 30 braccia long with 4 recesses each with a
chimney.

[Footnote: On each side of the castle, Pl. LXXXII. No. 2 there are
drawings of details, to the left "_Camino_" a chimney, to the right
the central lantern, sketched in red "_8 lati_" _i.e._ an octagon.]