Comparisons of structural details (beams) , by giovanni battista piranesi , design , Neoclassicism style , ruins and columns, Rome
A black and white drawing of different parts of a piano.
A black and white image is a page from a book. There are six images on the page. The first image on the top left is a drawing of a piece of wood. The second image in the top right is a picture of a wooden plank. The third image is an image of a block of bricks. The fourth and fifth images are images of wooden planks.