White geometric pentagon on a black background vector https://www.rawpixel.com/image/2405019/free-illustration-vector-black-background-designView licenseWilliam Harvey. Stipple engraving by E. Scriven after C. Janssen. https://www.rawpixel.com/image/13996046/william-harvey-stipple-engraving-scriven-after-janssenFree Image from public domain licenseDistorted 3D octagonal prism on a black background vector https://www.rawpixel.com/image/2404979/free-illustration-vector-outline-blackView licenseRené Descartes. Stipple engraving by W. Holl, after F. Hals, 1649. https://www.rawpixel.com/image/13993768/rene-descartes-stipple-engraving-holl-after-hals-1649Free Image from public domain licenseThe Penny magazine of the Society for the Diffusion of Useful Knowledge. https://www.rawpixel.com/image/13971828/the-penny-magazine-the-society-for-the-diffusion-useful-knowledgeFree Image from public domain licenseForest of Fontainebleau, Cluster of Tall Trees Overlooking the Plain of Clair-Bois at the Edge of Bas-Bréau by Théodore… https://www.rawpixel.com/image/14266610/image-cows-plant-grassFree Image from public domain licenseReed diffuser bottle with blank white label, home spa aromatherapy https://www.rawpixel.com/image/3968247/photo-image-minimal-spaView license[Untitled photo, possibly related to: Loading diffusion chamber with sugar beet pulp in factory at Brighton, Colorado].… https://www.rawpixel.com/image/12274747/photo-image-person-art-public-domainFree Image from public domain licenseLoading diffusion chamber with sugar beet pulp in factory at Brighton, Colorado. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273381/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Loading diffusion chamber with sugar beet pulp in factory at Brighton, Colorado].… https://www.rawpixel.com/image/12274757/photo-image-person-public-domain-factoryFree Image from public domain licenseLoading diffusion chamber at sugar beet factory. Brighton, Colorado. Sourced from the Library of Congress. https://www.rawpixel.com/image/12274758/photo-image-hand-person-public-domainFree Image from public domain license