Note 226 — Chapter II · (continued 2)
Walter Armstrong translation
Flandin et Coste, Voyage en Perse; Perse ancienne, plates 28 and 29; and, in the text, page 25. These openings occur in the great Sassanide palace at Ctesiphon, the Takht-i-Khosrou (ibid. pl. 216, and text, p. 175). Here the terra-cotta pipes are about eight inches in diameter. According to these writers similar contrivances are still in use in Persia.