Giovanni Battista Piranesi|Giovanni Bouchard
ca. 1749–50 · Etching, engraving, sulphur tint or open bite, burnishing; first state of six Robison) · Drawings and Prints
Prisoners on a Projecting Platform, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Smoking Fire, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Round Tower, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Drawbridge, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Staircase with Trophies, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Arch with a Shell Ornament, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Well, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Sawhorse, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
The Pier with a Lamp, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard
Design for a Stage Set: A Dungeon with High Vaults and a Staircase at Right.Domenico Fossati
Slate MineRuth Chaney|WPA
The Giant Wheel, from "Carceri d'invenzione" (Imaginary Prisons)Giovanni Battista Piranesi|Giovanni Bouchard