The Roman antiquities, t. 4, Plate XXIX. Following the above table. 

This is a detailed, technical engraving, "The Roman antiquities, t. 4, Plate XXIX. Following the above table.," by Giovanni Battista Piranesi, a prominent 18th-century Italian artist renowned for his architectural etchings. The image depicts a cross-section of a Roman structure, demonstrating its construction and layering, with the use of perspective lines to highlight the depth and intricate details. Piranesi’s masterful use of line work creates a precise and visually compelling representation of the ancient Roman architectural style.