Studies of an obelisk; An elevation and floor plan of a pyramid

Italian School Studies of an obelisk; An elevation and floor plan of a pyramid each inscribed with a measurement scale and 'la Giulia di S. Pietro a Roma.'(i); and 'Sepulcro di Caio in Roma' (ii) traces of black chalk, pen and grey and black ink, grey wash, squared for transfer, watermark double-encircled fleur-de-lis surmounted by B (i); black chalk, pen and grey ink, grey and brown wash, squared for transfer, watermark encircled fleur-de-lis surmounted by a device and proprietary (ii) 21¾ x 15 7/8 in. (53 x 40.2 cm.) 2 (2)