Species of locusts or crickets. Coloured etching by J. Pass, 1806. https://www.rawpixel.com/image/13954581/species-locusts-crickets-coloured-etching-pass-1806Free Image from public domain licenseElevation of a paper mill (top), elevation of the equipment for staining papers (bottom): both lettered for a key. Engraving… https://www.rawpixel.com/image/13955294/image-paper-technology-public-domainFree Image from public domain licenseA man fast asleep with his head back and wig dangling. Coloured etching by J. Gillray, 1806. https://www.rawpixel.com/image/13956314/image-cat-cartoon-faceFree Image from public domain licenseA leguminous plant (Sphaerolobium vimineum): flowering stem. Coloured engraving by F. Sansom, c. 1806, after S. Edwards. https://www.rawpixel.com/image/14006947/image-flower-plant-artFree Image from public domain licenseElevation of a iron mill (top), elevation of the equipment for staining papers (bottom): both lettered for a key. Engraving… https://www.rawpixel.com/image/13974264/image-paper-public-domain-gunFree Image from public domain licenseElevation of a sawmill (top), elevation of a sugar mill (below): both lettered for a key. Engraving by S. Porter, 1806… https://www.rawpixel.com/image/14020856/image-paper-public-domain-gunFree Image from public domain licenseThe funeral procession of Charles James Fox passing through Palace Yard in London. Aquatint, 1806. https://www.rawpixel.com/image/14007640/image-horse-person-artFree Image from public domain license