Pen & ink
14 1/2" x 22"
The Horizontorium subtitled A View of Italy. The buildings when viewed from the vantage point at the bottom of the page stand up and appear three dimensional
J.J. Barker after William G. Mason
17 3/4" x 22 3/8"
Published by R.H. Hobson. Depicts the Philadelphia Bank Build on the corner of Chestnut and Fourth Street.