A snake with expanded neck. Coloured engraving, ca. 1791. https://www.rawpixel.com/image/13951167/snake-with-expanded-neck-coloured-engraving-ca-1791Free Image from public domain licenseLa Grande Chartreuse, monastery, near Grenoble, France: aerial view. Etching by W. Thomas, 1791. https://www.rawpixel.com/image/13961277/image-person-art-patternFree Image from public domain licenseThe ghost of the revolutionary politician Mirabeau giving an address. Coloured etching, 1791. https://www.rawpixel.com/image/14013046/image-cartoon-face-personFree Image from public domain license