Vertical section of the Trajan column, with six plants taken at various heights, three boards together , by giovanni battista piranesi , design , Neoclassicism style , Rome, architectural drawings, Clock tower
A drawing of a spiral staircase and a clock.
A black and white image is on a page of a book. There is a spiral staircase in the middle of the page. Next to the spiral staircase is a picture of a clock face. On the right side of the picture there is another picture of the same spiral staircase. The clock face is round with a black rim and a white face. 