Note 134 — Chapter IV · GENESIS OF THE EARLY MOHAMMADAN PALACE
Reading edition
A tube can be seen in Dieulafoy’s Plate 9, vol. iv. It runs between the inner barrel vault on the right side of the big lîwân and the domed chamber to the right of the central hall of audience. See, too, the tubes in Flandin and Coste’s sections, Plates 40 and 41 bis.