A horsetail plant (Equisetum species) with an associated beetle and its anatomical segments. Coloured etching, c. 1830. https://www.rawpixel.com/image/14014655/image-plants-art-animalFree Image from public domain licenseGiuseppe Valentino Vianelli. Line engraving by I. Rosaspina after A.F. Adrien. https://www.rawpixel.com/image/13985353/giuseppe-valentino-vianelli-line-engraving-rosaspina-after-af-adrienFree Image from public domain licenseOntwerpen voor een servetring (1874 - 1932) by Mathieu Lauweriks https://www.rawpixel.com/image/13790484/ontwerpen-voor-een-servetring-1874-1932-mathieu-lauweriksFree Image from public domain license