STC384991 The emergence of the emmisarium of Lake Albano, 1833 (etching with brown wash) by Tofanelli, Agostino (1770-1834); Private Collection; (add.info.: See also 384990; Issue de l\'emissaire; 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; A tunnel cut through solid rock to maintain the water of the lake at a constant level; Emerges at Le Mole;); The Stapleton Collection; Italian, out of copyright.