The Porta Latina, closed, 1833 (etching with brown wash)

Porte Latine. Fermee.; Engraved by Pietro Fontana (1762-1837); from 'Recueil des vues au bister dessinees et lavees par Callimachus, Souvenirs d'antiquites et curiosites de Rome et des environs, Deblayements et reparations du Pape Pie VII'; Pope Pius VII (1742-1823) Papacy (1800-23) Count Barnaba Niccolo Maria Luigi Chiaramonti; Porta Latina is an opening in the Aurelian Wall with two towers built by Belisarius (c.500-65); The octagonal chapel of San Giovanni in Oleo was rebuilt during the reign of Julius II (1503-13) and restored in 1658 by Borromini who added the frieze; Traditionally it marks the spot where St. John the Evangelist stepped unharmed from a cauldron of boiling oil;