Vade Mecum at Rome, Vol. II
Binding: 8 1/8 x 5 1/2 in (206 x 140 mm)
Leaf: 7 3/4 x 5 1/4 in (197 x 133 mm)
Purchased by Pierpont Morgan in 1907
Annotated Plan of the Trevi Fountain Site. Inscribed by the artist, in black chalk, at upper right, 44 palme; at upper center (left to right), 21 palme, 21 pal. 9 minute, 14 p. 9 min, 24 palm 8 minu, 17 palm 1/2, 4 p. 4 m(?), and 4 p. 4 m(?); in the middle, 47 palmes; at bottom (left to right), 2 p.m 1/2, 4 p. 1/2, 3 p. 1/2, 26 [the last digit over 7] palme 5 [the “5” over 1/2] minute, and 10 p.lm 1/2. Annotated by another hand, on fol. 11v, at lower left, in black chalk, Plan de la font. de Trevi / avec les mesures.
Watermark: Three mounds (bottom of fol. 12r).