Among the former, Piranesi found a professional context. In the ranks of tourists, he found an abundant market. Chipped marble heads and Ionic capitals were not easy to carry back from Italy, but sheets of paper were, and large numbers of Piranesi prints from his major series (the Antichità romane, the Della magnificenza ed architettura de’ Romani, and all the other series he made, not forgetting his fanciful studies of chimney ornament and of designs for vases, candelabra, and gravestones) found their way back to England, where they were pored over and used as inspirational models by dozens of architects. True, it was sometimes difficult to mimic Piranesi’s effects in the materials of the real world. The layers of massive, rusticated stones in his view of the understructure of the Castel Sant’Angelo seem to be bulging, extruding their very substance under the weight of the primeval masonry above. However, the care which Piranesi brought to depicting his Roman-ruin architecture is so dedicated as to challenge belief. In some of the plates, which purported merely to depict the technical aspects of ancient building, he was able to invest tools and techniques—like the lifting tackle for large masonry blocks—with the drama of the technological sublime, a project dear to the heart of other eighteenth-century figures. At the same time, fantasy ruled the world given by other prints. Thus, when he rendered the Pyramid of Cestius, in reality quite a small and almost delicate affair (as pyramids go), and erected near the Porta Ostiensis in memory of a man about whom almost nothing is known, he gave it an Egyptian scale and mass.
In making his Roman ruins look like chasms and cliffs of stone, Piranesi was protecting the Roman genius for mass from dilution, as he saw it, by Greek artificiality. Much of this was fiction, of course. There could be little in the world—not even the Roman part of it—quite like those disturbingly congested perspective views of the Via Appia in its heyday, stretching away in a surreal perspective, crammed cheek by jowl with statues, tombs, sarcophagi, urns, and obelisks. No wonder such things would become a rich source of plunder for later and lesser artists—Eugene Berman and Salvador Dalì—seeking to project a disquieting dreamworld of never-never architecture.
Making large etchings is an expensive business, and to do it on a Piranesian scale required large financial support. The patron from whom Piranesi expected most was a young Irishman: James Caulfeild, first earl of Charlemont, to whom he wrote in 1757, “I believe I have completed a work which will pass on to posterity and which will endure so long as there are men curious to know the ruins which remain of the most famous city in the universe.” Charlemont seemed to Piranesi like a good potential patron; he was rich (though not, as it turned out, as rich as the artist supposed), and in 1749 he had set up an academy, though a short-lived one, for British artists in Rome to study antiquities, about which he was passionately enthusiastic. It looked a splendid idea, both to him and to Piranesi, to have his noble name attached to such a turning point in archaeology as the Antichità romane. But, unfortunately, Charlemont had no idea—and since he was an amateur without earlier experience of publishing, how could he?—of the overwhelming mass of work and expense in publishing the four volumes and more than 250 plates of the Antichità. He had supposed he would be paying for a single volume about tomb chambers, and now he was faced with the cost of this mammoth work, all of it, the fruit of more than ten years of study and meditation. Not only did Piranesi plan to show all of ancient Rome above ground: his engravings would also show what was hidden—the foundations and footings, the drainage conduits and water-supply systems. Poor Charlemont had something much simpler in mind, and much more salable: picturesque vedute of the Eternal City. Not surprisingly, his resolution buckled, and he dropped the project altogether, fleeing back to the British Isles. This was the greatest disappointment of Piranesi’s life, and he never really got over it, even though he was able to find other supporters for the Antichità. Perhaps he would have killed the traitorous, chickenhearted Charlemont (as he now thought of his ex-patron) if he could have gotten away with it, but he did not have the chance, and so he had to be content with a kind of damnatio memoriae. His title page had originally carried a rather fulsome dedication to James Caulfeild, inscribed on an ample plaque surrounded by attributes of antique ruin. Piranesi now removed Caulfeild’s name from the plate. This was in imitation of the Roman Senate, which after 203 C.E. had erased the once-honored but now disgraced name of Geta from a dedicatory inscription on the arch of Septimius Severus in the Forum Romanum.3 Presumably Caulfeild would have recognized this insult, even if few others did.
One area of Piranesi’s output departed into pure fantasy, and has always seemed separate from his archaeological and view-making work. This is the series of fourteen plates known as the Carceri d’invenzione or Imaginary Prisons, which first appeared in 1745 and were reissued in 1760. Unlike all his other work, as their title implies, these are not based on any known buildings. They are emanations of the artist’s mind, and right from the start it was recognized that they had little relation to real architecture. What they depict, essentially, are limitless underground chambers with no exit, the space knitted together, but never resolved, by ramps, stairs, bridges, galleries, catwalks, vestibules, and arches that all assert a powerful presence but actually lead nowhere. They seem self-replicating, and this was what spoke, with peculiar directness and vividness, both to Samuel Taylor Coleridge, sunk deep in his own laudanum addiction, and to his friend Thomas De Quincey, an addict as well. When Coleridge eloquently described the Carceri to De Quincey, they did not have copies of the Prisons to hand. But Coleridge thought that these strange and paranoid imaginings recorded “the scenery of his own visions during the delirium of a fever.” De Quincey seemed to recognize them, too, from Coleridge’s vivid account of the “Gothic halls,” the wheels, cables, pulleys, levers, and racks. And he recognized some of the features of his own opium hallucinations. “With the same power of endless growth and self-reproduction did my architecture proceed in dreams.”
In one sense, these images hark back to his earlier years as a student of stage design. Prison scenes were common and popular in the eighteenth century and through into the nineteenth, as an acquaintance with Beethoven (Fidelio) or Puccini (Tosca) reminds us. Many artists designed prison sets, whose towering arches and claustrophobic, vast-space, no-exit qualities all suggest affinities with Piranesi’s dream prisons. What had been palatial now turns penal. Huge spaces had in the past been taken to magnify their inhabitants’ importance, in a world of wealth, power, and privilege. But now in the very different world of the Carceri, magnitude reduces man to a crawling, suffering insect.
In all their oppressive power, the Carceri had a strong appeal for writers, particularly for English Romantics. One of the first to set out his response to them was William Beckford (1760–1844), the dilettante who, fabulously wealthy from inheritance in the slave trade and the sugar business, had taken his Grand Tour in 1780. When he was in Venice, his gondola floated him under the Bridge of Sighs. “I shuddered whilst passing below,” he would recall later.