Calyx-shaped nozzles or fixed measures used, according to the ancient commentary of Frontinus, for the regulation of water-flow 1761

This 1761 etching by Giovanni Battista Piranesi, titled "Calyx-shaped nozzles or fixed measures used, according to the ancient commentary of Frontinus, for the regulation of water-flow," exemplifies Piranesi's fascination with Roman antiquities and their practical applications. This detailed print showcases the intricate design of Roman aqueducts, specifically focusing on the "calyx-shaped nozzles" that were used to regulate water flow. Piranesi’s meticulous rendering of these devices highlights his interest in engineering and scientific knowledge. The print is a testament to the ingenuity of ancient Roman technology, showcasing the sophisticated system of water management employed in the city of Rome. Piranesi's masterful use of linework and shading brings these intricate mechanisms to life, offering a glimpse into the past and illuminating the enduring relevance of Roman engineering.