William Strickland's sketch of the details of an unnamed suspension bridge. The sketch shows details of the iron suspension cords and a cross-section of the bridge trestles.
William Strickland's watercolor sketch of a Roman tower of the 12th Century. The sketch includes a detail of the corner of the tower. Strickland provides a description of a typical Roman tower.
William Strickland's watercolor sketch of the "New Falls at Tivoli." The three segemented falls are pictured in the foreground, surrounded by wooded hillsides near Tivoli. Strickland gives a brief history of the falls.
