Project for the decoration of a chapel, Black chalk, pen, ink, brush, and grey, brown, greenish and rose water colors on paper., Vertical composition of a decorated chapel with framing lines. An arch and a section of a vaulted ceiling are shown in the foreground. The ceiling is decorated with an ovoidal frame with a chest, two palms branches and two panels with twigs. The altar is seen at the back wall with a mensa and a picture fram with a triangular pediment. Niches are shown on both sides. A measurement is inscribed in the pilaster on the right. The scale at the bottom reads: 'Scala di p.mi Trenta Romani.', Italy, 1700-1730, architecture, interiors, Drawing, Drawing